2 3 5 7 19 July 8, 2019 16 32 64 128 2 7 2x 5 )- 3 2x 4 )= 19 2 3 5 7 reverse 1999 2 x 5 )+ 3 x 7 )= 19 Increase 5 3/7 by 2/19 of it 3 19 2 7 5 answer 3 19 2 7 5 solution 19022 es divisible por 2 3 5 7 u 11
