1.

Write seven consecutive composite numbers less than 100 so that there is no prime number between them.

Answer»

Between 89 and 97, both of which are prime numbers there are 7 composite numbers.

They are 90, 91, 92, 93, 94, 95, 96, numbers factors

90 = 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

91 = 1, 7, 13, 91

92 = 1, 2, 4, 23, 46, 92

93 = 1, 3, 31, 93

94 = 1, 2, 47, 94

95 = 1, 5, 19, 95

96 = 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96



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