3 x 5 =- 7 13 July 8, 2019 16 32 64 128 5 3 13 x 7 5 13 4 8 2 3 5 7 x 13 3 5 7 x 1 1 13 5 x 7 )= 3 x 4 )- 13 2 3 5 7 x 13 digimon 3 x 4y 7 5 x 6y 13 1 3 5 7 x 13 17 3 x 4y 7 5 x 6y 13 by cross multiplication method 5 7 8 x 3 13 1 2 3 5 7 x 13 3 x 5 x 7 11 x 13 x 17 4 3x 5 7 x 3 13 3 0 Is 3 x 5 x 7 x 11 x 13 a composite number
