4 and 5 are () A. factor B. divisor C. prime D. prime factor

There are () divisors of a prime number

2
That is 1 and itself

A prime number, its divisors are also prime numbers______ (judge right or wrong)

It is wrong that 1 is neither prime nor composite, so the divisor of a prime is prime

RELATED INFORMATIONS

1. It is proved that the least common multiple of the n power of a and the n power of B is equal to the n power of the least common multiple of a and B Like the title,
2. A = 2 × 3 × m, B = 2 × 5 × n (M and N are prime numbers). If the greatest common factor of a and B is 6 and the least common multiple is 210, what are m and N respectively
3. A = 2 × 3 × N2, B = 3 × N3 × 5, (n is prime), then the greatest common divisor of a and B is______ The least common multiple is______ ．
4. Use three prime numbers smaller than 10 to form a three digit number, so that the number is a multiple of 3 and 5 at the same time. The three digit number is () or ()
5. Use the prime numbers in ten to form two digits. The common multiple of 2 and 3 is 90%, and the common multiple of 4 is ()
6. How many numbers in 150 are the product of three different prime numbers Is there a proper way to use it? I'll go straight to the count.
7. The product of the three primes is 110. The three primes are (), (), ()
8. The sum of two times of a prime number and three times of another prime number is 100. What is the product of the two prime numbers?
9. Prime: the sum of our two is 18. Prime: the product of our two is 77
10. The sum of two prime numbers is 18 and the product is 77. These two numbers are______ And______ ．
11. A natural number has 10 different divisors, but its prime factor is only 3 and 5. What is the maximum natural number satisfying these conditions? Urgent! 1
12. There is a natural number, which has four different prime factors and 32 divisors. One of the prime factors is two digits, and the sum of its numbers is 11, which is the natural minimum
13. A prime factor B prime number C divisor D multiple 5 is a prime factor of 20 b prime number C divisor D multiple
14. It is known that "if three prime numbers a, B and C greater than 3 satisfy the relation 2A + 5B = C, then a + B + C is a multiple of integer n". What is the maximum possible value of integer n in this theorem? Please prove your conclusion
15. It is known that "if three prime numbers a, B and C greater than 3 satisfy the relation 2A + 5B = C, then a + B + C is a multiple of integer n". What is the maximum possible value of integer n in this theorem? Please prove your conclusion
16. It is known that "if three prime numbers a, B and C greater than 3 satisfy the relation 2A + 5B = C, then a + B + C is a multiple of integer n". What is the maximum possible value of integer n in this theorem? Please prove your conclusion
17. (1) The sum of the two of us is 8 (2). The product of the two of us is 15 prime All are prime numbers
18. It is known that the product of two prime numbers is 178. These two prime numbers are () and ()
19. The sum of the two prime numbers a and B is 2001. What is the product of the two prime numbers?
20. The sum of two prime numbers is 2001, and the product is?