Asked by Roger

Find the sum of all prime numbers between 1 and 100 that are
simultaneously 1 greater than a multiple of 4 and 1 less than a
multiple of 5.

(a) 118
(b) 137
(c) 158
(d) 187
(e) 245

The answer is D right?

Answers

Answered by drwls
No, it isn't. Try again

Some numbers that qualify are 9, 29 and 49. See if you can see a pattern.
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