Explain why 7 × 11 × 13 + 13 and 7 × 6 × 5 × 4 × 3 × 2 × 1 + 5 are composition number

Explain why 7 × 11 × 13 + 13 and 7 × 6 × 5 × 4 × 3 × 2 × 1 + 5

1.	Explain why 7 × 11 × 13 + 13 and 7 × 6 × 5 × 4 × 3 × 2 × 1 + 5 are composition number
Answer» ??????????????? Ya they are composite no. Because it have more than 2 factor 13(7×11+1) = 13×78Product of two +ive no is composite number ............5(7×6×4×3×2×1+1)=5×(1009) ....Product of two +ive no is composite number. It is a composite no. It\'s composite number...