Question

explain why this following are composite i)7 × 11 × 13 × 15 + 17 × 19 × 20
ii)2 × 3 × 5 + 4 × 7 ×11
iii)4 × 5 × 6 + 4
iv)10 × 12 × 13 + 5 × 7 × 9​

Answer 1

it is because they have more than one factor

u can also observe that they r being multiplied to several numbers

hope it helps u