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Decomposition prime 7,11,13,17,19,23,
Prime numbers have prime numbers within 2 35 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97 100
1. In natural numbers 1-20, prime numbers are: 3.5.7.11.13.17.19; coprime numbers with "9" are:?
3. If P and Q are coprime numbers, then the greatest common divisor of P and Q is:?; the least common multiple is:
T1.5,7,11,13,17,19
T2. The greatest common divisor is 1 and the least common multiple is p * Q
All prime numbers within 20 are (2, 3, 5, 7, 11, 13, 17, 19), and all of them have a factor () of 48
All prime numbers within 20 are (2, 3, 5, 7, 11, 13, 17, 19), and their factors are ()
A number that is both a factor of 48 and a multiple of 6
1
The product of two prime numbers is 34, and 19. These two prime numbers are () and ()?
2 and 17
The reciprocal sum of the three prime numbers is 131231. The three prime numbers are______ 、______ And______ ．
According to the meaning and analysis of the question, we can decompose 231 into three prime factors: 231 = 3 × 7 × 11, 13 + 17 + 111 = 77231 + 33231 + 21231 = 131231; so these three prime numbers are 3, 7 and 11. So the answers are: 3, 7 and 11
The sum of the reciprocal of the three prime numbers is 71105. The three prime numbers are______ 、______ 、______ ．
According to the meaning and analysis of the question, 105 is decomposed into three prime factors: 105 = 3 × 5 × 7; 13 + 15 + 17 = 35105 + 21105 + 15105 = 71105. Therefore, the three prime numbers are 3, 5 and 7 respectively. So the answer is: 3, 5 and 7
The sum of the reciprocal of three prime numbers is 103 / 165. What is the sum of the three prime numbers?
165=3×5×11
The three prime numbers are 3, 5 and 11, respectively
Sum = 3 + 5 + 11 = 19
The product of 19 and () is prime. Don't be 1
It's impossible
Prime numbers are numbers that have no factors other than 1 and itself
What is the product of multiplication of several prime numbers
The product of multiplication of several prime numbers is a composite number
The product of two prime numbers is 34. Find the sum of the two prime numbers
17 and 2 (*^__ ^*(hee hee, give me some points. They are all prime numbers!
RELATED INFORMATIONS
- 1. The product of two primes is 145 and the sum is 34. What is the larger of the two primes? Just answer, not use what you say
- 2. In prime numbers within 30, plus 2 is still prime
- 3. Which two primes can 48 be divided into 48 ＝（ ）＋（ ）＝（ ）＋（ ）＝（ ）＋ （ ） ＝（ ）＋（ ) ==（ ）
- 4. There are three prime numbers. The sum of the three of them is 18. The product of the three of them is 78. What are they?
- 5. 21 / 17 × (3 / 8-0.75) + 151 / 12 ÷ 17 / 21 the known natural number a has only two divisors, then 5A has at most three divisors List the formulas
- 6. If a and B are prime numbers, then M = a * B must be a composite number Is that right
- 7. Why are prime numbers and composite numbers
- 8. 100 = () + () = () + () (prime number)
- 9. The common factors of 12 and 18 are (), the largest of which is (). 12 and () are mutually prime numbers (fill in one possibility) The greatest common factor of 6 and 8 is () The greatest common factor of 17 and 51 is () The greatest common factor of 17 and 23 is () If M = 2 * 2 * 3 * 3, n = 2 * 3 * 5, then the greatest common factor of M and N is () Two, three, four and five can form a pair of Coprime numbers If there is a two digit number whose two digits are combined and prime to each other, the minimum of the two digits is () It is known that M = 2 * 3 * A and N = 2 * 7 * A. if the greatest common factor of M and N is 10, then a = () Two numbers that become coprime () Use a number to divide 32 and 28 exactly. The maximum number is ()
- 10. If the least common multiple of two prime numbers is 21, then the two prime numbers are () and (), respectively
- 11. There are () different ways to write 40 as the sum of two primes A. 2B. 3C. 4D. 5
- 12. The difference between two prime numbers is 2, and the product is 35. What are these two prime numbers
- 13. It is known that the product of two inner terms in a proportion is the smallest prime number, one outer term is 6 / 7, and the other outer term is () How much?
- 14. The quotient of a number divided by 9 is the same as the remainder. The remainder is 15. The prime number is () fast! Today,
- 15. It is proved that if P is a prime greater than 5, then p 2 - 1 is a multiple of 24
- 16. The solution of the equation a (x + m) 2 + B = 0 of X is X1 = - 2, X2 = 1, (a, m, B are all constants, a ≠ 0), then the solution of the equation a (x + m + 2) 2 + B = 0 is______ ．
- 17. Mathematical proof problem: when n > 2, the nth power of any prime number cannot be decomposed into the sum of the same power (nth power) of two prime numbers Because a / (B + 2) = 1, B = A-2, why
- 18. Factorization: - 45x ^ 4Y ^ 2Z ^ 3 + 18x ^ 3Y ^ 2Z ^ 2 + 90x ^ 2Y ^ 2Z ^ 2
- 19. Given the function y = x ㏑ x, find the derivative of the function and the tangent equation of the function at point x = 1
- 20. Factorization a2-c2 + 4B2 + 4AB