Q9 of 55 Page 53

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

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


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


91 = 1, 7, 13, and 91


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


93 = 1, 3, 31 and 93


94 = 1, 2, 47, and 94


95 = 1, 5, 19 and 95


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


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