57 79 87 49 which is prime

Only 79 is prime

RELATED INFORMATIONS

1. Given that ABCD is a rational number, the absolute value of (a-b) is less than or equal to 9, the absolute value of (C-D) is less than or equal to 16, and the absolute value of (a-b - + D) is 25, find the absolute value of (- a)
2. Given that ABCD is a rational number, the absolute value of a minus B is less than or equal to 9, the absolute value of C minus D is less than or equal to 16, and the absolute value of a minus B minus C plus D is equal to 25, find the absolute value of B minus a minus D minus C
3. If ABCD is a rational number, the absolute value of A-B is ≤ 9, the absolute value of C-D is ≤ 16, and the absolute value of a -- B-C + D is equal to 25, then the absolute value of B-A is subtracted The absolute value of d-c is equal to?
4. If the integers a, B, C and D satisfy ABCD = 25 and a > b > C > D, then | a + B | + | C + D | equals () A. OB. 10C. 2D. 12
5. Four different integers a, B, C, D, their product ABCD = 25, then what is a + B + C + D equal to?
6. Four unequal integers a, B, C, D, if their product ABCD = 25, then a + B + C + D=
7. Given a, B, C, D ∈ R, prove AC + BD ≤ √ [(A2 + B2) (C2 + D2)]
8. In Excel, if A1 = C1, then B1 = D1; if A1 = C2, then B1 = D2; if A1 = C3, then B1 = D3?
9. In Excel, in column a, A1 = B1 + C1, A2 = B2 + C2 + D3, A3 = B3 + C3 + D3 + F3. How to express it by formula
10. How to realize the circulation of A1 = B1 A2 = C1 A3 = D1 A4 = E1 A5 = B2 A6 = C2 in excel?
11. 91 =? (prime)
12. Prime a × prime B = 91, then, prime a + prime B =?
13. What are the prime numbers of 91
14. In the triangle ABC, if a is less than B, less than C and C2 is less than A2 + B2, then the triangle ABC is
15. Let ABC satisfy a + B + 1 = 1, A2 + B2 + C2 = 1 / 2, then the value range of a is help!
16. Let a, B and C be opposite to each other. If a = π 3 and a = 3, then the value range of B2 + C2 is () A. [3，6]B. [2，8]C. （2，6）D. （3，6]
17. Given that A2 + B2 + C2 = 2, t = a-2b-3c, the value range of t can be obtained. If t = 0, the value range of C can be obtained
18. Given a > b > C, a + B + C = 1, A2 + B2 + C2 = 1, (1) find the range of a + B, (2) find the range of A2 + B2
19. If two prime numbers a, B, C and D are different and satisfy the equation a + B = C + D, what is the maximum possible value of a + B?
20. 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?