Question

Match the prime factors.
21 =
52 =

• A. $3\times 7$
• B. $2\times 2\times 13$
• C. $2\times 26$
• D. $5\times 4$

Answer 1

Answer: (A), (B)

The correct options are
A $3\times 7$
B $2\times 2\times 13$

Given, $21\&52$

Lets factorise:
$21=3\times 7$

$52=2\times 2\times 13$