LCM and HCF Practice Test 4

Question : 17 of 40

Marks: +1, -0

H.C.F. of 420, 315 and 462 is

Solution:

420=2×2×3×5×7

315=3×3×5×7

462=2×3×7×11

Common factor

=3×7=21

∴ Required H.C.F. = 21.

Go to Question:

Prev Question

Next Question