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What is the Least Common Multiple of 63960 and 63971?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 63960 and 63971 is 4091585160.

LCM(63960,63971) = 4091585160

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Least Common Multiple of 63960 and 63971 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63960 and 63971, than apply into the LCM equation.

GCF(63960,63971) = 1
LCM(63960,63971) = ( 63960 × 63971) / 1
LCM(63960,63971) = 4091585160 / 1
LCM(63960,63971) = 4091585160

Least Common Multiple (LCM) of 63960 and 63971 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63960 and 63971. First we will calculate the prime factors of 63960 and 63971.

Prime Factorization of 63960

Prime factors of 63960 are 2, 3, 5, 13, 41. Prime factorization of 63960 in exponential form is:

63960 = 23 × 31 × 51 × 131 × 411

Prime Factorization of 63971

Prime factors of 63971 are 17, 53, 71. Prime factorization of 63971 in exponential form is:

63971 = 171 × 531 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 63960 and 63971.

LCM(63960,63971) = 23 × 31 × 51 × 131 × 411 × 171 × 531 × 711
LCM(63960,63971) = 4091585160