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() and any non-zero natural number can form coprime numbers; the product of two prime numbers must be ()
1 and any non-zero natural number can form coprime number;
The product of two prime numbers must be a composite number
In natural numbers within 10, what are two adjacent prime numbers?
2 3
In the natural numbers of 1-9, the two adjacent prime numbers are () and (), and the two adjacent sum numbers are () and ()
23.89
RELATED INFORMATIONS
- 1. Write two continuous natural numbers that are combined numbers______ And______ ．
- 2. 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?
- 3. What is the square of the two differences of equation 3yy-2y-2 = 0?
- 4. 7Y = y + 1 solve equations,
- 5. The square numbers of natural numbers are arranged in descending order: 14916236496481100.. what is the 351st digit?
- 6. Arrange the square of natural number into 1492625364964 from small to large
- 7. If a and B are natural numbers, and the square of a - the square of B = 63, how to find the value of a and B, The square of x-a-2x-2a = (x + a) ()
- 8. If a natural number is divided by 247 to make 63, and by 248 to make 63, what is the remainder of a natural number divided by 26?
- 9. If a natural number is divided by 247, the remainder is 67, and is divided by 248, the remainder of the natural number divided by 26 can be found
- 10. If a natural number is divided by 427 into 63 and 248 into 63, what is the remainder of the natural number divided by 26
- 11. There is a prime in two natural numbers. These two are coprime numbers, right?
- 12. What is the product of natural numbers less than 10 that are not prime numbers
- 13. 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
- 14. If n is a natural number, N + 3 and N + 7 are prime numbers, find the remainder of N divided by 3
- 15. Is there at least one prime number in 20 consecutive natural numbers right Don't forget to say the reason
- 16. 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______ ．
- 17. The composite of two coprime numbers, their least common multiple is 72, the two composite numbers are
- 18. 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 ()
- 19. 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
- 20. 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?