![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 72 71" width="72"></svg>)
Among the four numbers 2, 3, 4 and 5, they can be coprime numbers__ yes
If there is only one common divisor in two natural numbers, these two numbers are called coprime numbers
two point three
two point five
three point four
three point five
four point five
There are 5 pairs
Please take the answer and support me
Can twin prime conjecture be proved?
11 and 13 are prime pairs, 101 and 103 are prime pairs, 1001 and 1003 are prime pairs, and so on. Is it possible to prove the twin prime conjecture?
10001 is not a prime number
RELATED INFORMATIONS
- 1. 2,3,4,5 can form () 7, for coprime
- 2. The product of the two prime numbers is 111. The two prime numbers are () and ()
- 3. Is 111 prime
- 4. 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?
- 5. 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
- 6. 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 ()
- 7. The composite of two coprime numbers, their least common multiple is 72, the two composite numbers are
- 8. 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______ ．
- 9. Is there at least one prime number in 20 consecutive natural numbers right Don't forget to say the reason
- 10. If n is a natural number, N + 3 and N + 7 are prime numbers, find the remainder of N divided by 3
- 11. Proof: if n > 1 and a ^ n - 1 is prime, then a = 2 and N is prime
- 12. 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,
- 13. A number is the sum of prime numbers within 10, this number is (), it is still ()
- 14. A number a is prime, and a + 20, a + 2 are also prime. (a < 10) what is the minimum of a? Very urgent,
- 15. There are infinitely many prime numbers that can be expressed as 4K + 1. There are infinitely many prime numbers that can be expressed as 3K + 1. Question: what is k?
- 16. Why is the greatest common divisor multiplied by the least common multiple the product of these two numbers?
- 17. Why is the product of two numbers divided by their greatest common divisor the least common multiple
- 18. It is known that the difference between two natural numbers is 3, and the product of their greatest common divisor and least common multiple is 180 Please write clearly and carefully
- 19. The greatest common factor of two natural numbers is 6, and the least common multiple is 240. There are several groups of two natural numbers that meet the conditions Why do you try to translate the reason into formula with additional words? Thank you
- 20. A and B are non-zero natural numbers. If a △ B = 5, then the greatest common factor of a and B is (), and the least common multiple is (), if a and B A and B are non-zero natural numbers. If a △ B = 5, then the greatest common factor of a and B is () and the least common multiple is (). If the common factor of a and B is only 1, then the least common multiple of a and B is ()