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There are 19 numbers in the range, of which 23, 29, 31 and 37 are prime...
23 29 31 37.
23 / 7 = 3 R 2, 23 < 40, 23 / 4 = 5 R 3
2 3 5 7 11 13 17 19 23 29 31 37.
41 43 47.
There are 19 numbers in the range, of which 23, 29, 31 and 37 are prime...
than to 40?
23 29 31 37.
23 29 31 37.
23 / 7 = 3 R 2, 23 < 40, 23 / 4 = 5 R 3
less than 40
2 3 5 7 11 13 17 19 23 29 31 37.
less than 40
2 x 23 = 46
Nine.
Yes, 40 is less than 50.
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