AR - Identifying Prime Factorisation and Composite Numbers — task. Maths CBSE Live product, Class 7 (2026-27).

Read the following Assertion (A) and Reason (R), and choose the correct option.

Assertion (A): \(17 \times 2 \times 15\) is the prime factorisation of 510.

Reason (R): 15 is a composite number.

Assertion (A) is true, but Reason (R) is false
Both assertion (A) and reason (R) are true, and (R) is the correct explanation of (A)
Both assertion (A) and reason (R) are true, but (R) is not the correct explanation of (A)
Assertion (A) is false, but Reason (R) is true

Did you find an error?

8. AR - Identifying Prime Factorisation and Composite Numbers