2,19 38
7,3,3 21,3 63
41 is prime. No rainbow. Sorry.
13 is already prime. It doesn't need a rainbow.
5,11 55
3,3,3,39,3,327,381
2,19 38
7,3,3 21,3 63
5,5,2,2 25,2,2 50,2 100
41 is prime. No rainbow. Sorry.
13 is already prime. It doesn't need a rainbow.
1, 2, 5, 10, 11,22, 55, 110
97,3,2,2,2,2,2 291,2,2,2,2,2 582,2,2,2,2 1164,2,2,2 2328,2,2 4656,2 9312
Transparent. 11 is a prime number. No rainbow. Sorry.
247 13,19
5,11 55
13 is already prime. It doesn't need a rainbow.