Prime numbers between 60 and 80

61,67,71,73,79

RELATED INFORMATIONS

1. If A-B = B-C = 20, then 3A + 2B + C =? Analytically, if A-B = B-C = 20 and a-c = 40, then A-B, B-C and a-c are not multiples of 3, that is, a, B and C have a number that is multiples of 3. Why?
2. Given that a, B and C are prime numbers and a = B + C, what is the minimum value of a × B × C?
3. Given that a, B, C and D are prime numbers and that a × B × C × D is the sum of 77 nonzero continuous natural numbers, what is the minimum value of a + B + C + D?
4. Given that a, B, C and D are prime numbers and that a × B × C × D is the sum of 77 nonzero continuous natural numbers, what is the minimum value of a + B + C + D?
5. It is known that a, B, C and D are prime numbers (a, B, C and D are allowed to be the same), and a * b * c * D is the sum of 55 continuous natural numbers. Find the minimum value of a + B + C + D
6. Four natural numbers of ABCD multiplied by four are equal to DCBA. What are the ABCD numbers
7. The sum of three consecutive natural numbers is 99, the largest of which is ()
8. For four digit. ABCD, if there is a prime number P and a positive integer k, such that: a × B × C × d = PK, and: a + B + C + D = PP-5. Find the minimum value of such four digit and explain the reason
9. Find all prime numbers P such that p * (p-1 power-1 of 2) is the K power of a positive integer, k > 1 and K is a positive integer
10. If four two digit prime numbers a, B, C and D are different and satisfy the equation a + B = C + D, then what is the minimum possible value of (1) a + B? (2) What is the maximum possible value of a + B?
11. The sum of three times of a prime number and two times of another prime number is 80. These two prime numbers are () and ()
12. There are three prime numbers whose product is 1001. What are the three prime numbers?
13. The sum of three prime numbers is 80. What is the maximum product?
14. The reciprocal sum of three different prime numbers is 1001 out of N. what is n equal to
15. The derivative of the sum of three prime numbers is n / 1001. Find the three prime numbers
16. If the reciprocal sum of three different prime numbers is n of 1001, then n=
17. There are three prime numbers a, B and C. the reciprocal sum of these three prime numbers is 31 / 1001. What are the three reciprocal numbers?
18. Given 100 ^ a = 3100 ^ B = 5, find the value of (1) 100 ^ 2A + 100 ^ 3b and (2) 100 ^ 2A + 3B
19. a. B and C are three prime numbers within 100, which satisfy a + B = C______ Group
20. Is the 71st power of 2 + 1 prime It is helpful for the responder to give an accurate answer