Question

explain why 7×11× 13+13and 7×6 ×5×4×3×2×1+5 are composite number​

Answer 1

Answer:

Composite no. are the no. having more than Two factor.

1) 7×11×13+13

= 13[(7×11)+1]

= 13[78]

Hence a Composite no.

2) 7×6×5×4×3×2×1+5

= 5[(7×6×4×3×2)+1]

= 5(1009]

Hence composite

Answer 2

Answer:

Composite no. are the no. having more than Two factor.

1) 7×11×13+13

= 13[(7×11)+1]

= 13[78]

Hence a Composite no.

2) 7×6×5×4×3×2×1+5

= 5[(7×6×4×3×2)+1]

= 5(1009]

Hence composite

Step-by-step explanation:

A composite number is a positive integer that can be formed by multiplying two smaller positive integers. Equivalently, it is a positive integer that has at least one divisor other than 1 and itself.