The prime numbers from 1 to 47 are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, and 47.
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No. They are both multiples of 3.
3 x 7 x 7 = 147
All multiples of 147 are divisible by 147: 147, 294, 441, 588, 735, ...
3 x 7 x 7
No because they both have more than two factors