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In the natural numbers smaller than 10, the numbers whose two adjacent numbers are prime numbers are () and (), and the numbers whose two adjacent numbers are combined numbers are () and ()
In natural numbers smaller than 10, the numbers whose two adjacent numbers are prime numbers are (2) and (3), and the numbers whose two adjacent numbers are combined numbers are (8) and (9)
Write a prime number that is coprime with 6. Write a composite number that is coprime with 6
Such as the title
7
forty-nine
What is the minimum composite number of Coprime numbers that can be formed with 6______ ．
The minimum sum of Coprime numbers that can be formed with 6 is 25
RELATED INFORMATIONS
- 1. The composite of two coprime numbers, their least common multiple is 72, the two composite numbers are
- 2. Two numbers are compound numbers and coprime numbers. Their least common multiple is 120. The greatest common divisor of these two numbers is______ Where the smaller sum is______ ．
- 3. Is there at least one prime number in 20 consecutive natural numbers right Don't forget to say the reason
- 4. If n is a natural number, N + 3 and N + 7 are prime numbers, find the remainder of N divided by 3
- 5. When n = 1,2,3,4, the value of square + N + 41 of n is prime. Please write two values of N less than 45 so that square + N + 41 of n is not prime
- 6. What is the product of natural numbers less than 10 that are not prime numbers
- 7. There is a prime in two natural numbers. These two are coprime numbers, right?
- 8. () and any non-zero natural number can form coprime numbers; the product of two prime numbers must be ()
- 9. Write two continuous natural numbers that are combined numbers______ And______ ．
- 10. A natural number can be decomposed into the product of three prime factors. If the sum of the squares of the three prime factors is 1710, how to find the natural number?
- 11. Use the prime number of two digits of 1,5,6 (), sum number (), multiple of 2 (), multiple of 3 (), multiple of 5 (), which is not only a multiple of 3 but also a multiple of 5
- 12. 1. The sum of 5 and 6 is the prime number, the multiple of 2, the multiple of 3, the multiple of 5, the multiple of 3 and the multiple of 5?
- 13. Is 111 prime
- 14. The product of the two prime numbers is 111. The two prime numbers are () and ()
- 15. 2,3,4,5 can form () 7, for coprime
- 16. Among the four numbers 2, 3, 4 and 5, they can be coprime numbers__ yes
- 17. Proof: if n > 1 and a ^ n - 1 is prime, then a = 2 and N is prime
- 18. How to judge whether a number is prime quickly, Quickly judge whether a number is prime or not, and do not try to divide all prime numbers less than the root a,
- 19. A number is the sum of prime numbers within 10, this number is (), it is still ()
- 20. A number a is prime, and a + 20, a + 2 are also prime. (a < 10) what is the minimum of a? Very urgent,