Lcm of42 and. 63 By division
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1
Find the prime factorization of 42
42 = 2 × 3 × 7
Find the prime factorization of 63
63 = 3 × 3 × 7
Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2 × 3 × 3 × 7
LCM = 126
42 = 2 × 3 × 7
Find the prime factorization of 63
63 = 3 × 3 × 7
Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2 × 3 × 3 × 7
LCM = 126
Answered by
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hello
here is your answer
first find factors of both 42 and 63
42=2×3×7
63=3×3×7
.
.
see there are two factors in common
3 and 7
and
2×3 left
so first we multiply Commons 3×7
then the remainings
3×7×2×3=126
..
so LCM of 42 and 63 is 126..
here is your answer
first find factors of both 42 and 63
42=2×3×7
63=3×3×7
.
.
see there are two factors in common
3 and 7
and
2×3 left
so first we multiply Commons 3×7
then the remainings
3×7×2×3=126
..
so LCM of 42 and 63 is 126..
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