Question

verify the following number is composite prime or give reasons 2
$2 \times 6 \times 5 \times 7 + 9$

Answer 1

2×6×5×7+9

=2×2×3×5×7+3×3

=3(2×2×5×7+3)

=3×143. (as it is product of two. Nos other than 1,it is composite no.)