Question

descompuneti in produs de factori primi numerele: 21,24,28,38,49,200,64,71,72,75,81,91,124,180,121,22200,301,171000,1001,3131​

Answer 1

Răspuns:

21: 3 * 7

24: 2^3 * 3

28: 2^2 * 7

38: 2 * 19

49: 7^2

200: 2^3 * 5^2

64: 2^6

71: 71 (prim)

72: 2^3 * 3^2

75: 3 * 5^2

81: 3^4

91: 7 * 13

124: 2^2 * 31

180: 2^2 * 3 * 5^2

121: 11 * 11

22200: 2^2 * 5^2 * 11^2

301: 3 * 7 * 11

171000: 2^3 * 5^3 * 7

1001: 7 * 11 * 13

3131: 3131 (prim)