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What is the Least Common Multiple of 62931 and 62940?

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 62931 and 62940 is 1320292380.

LCM(62931,62940) = 1320292380

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Least Common Multiple of 62931 and 62940 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 62931 and 62940, than apply into the LCM equation.

GCF(62931,62940) = 3
LCM(62931,62940) = ( 62931 × 62940) / 3
LCM(62931,62940) = 3960877140 / 3
LCM(62931,62940) = 1320292380

Least Common Multiple (LCM) of 62931 and 62940 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 62931 and 62940. First we will calculate the prime factors of 62931 and 62940.

Prime Factorization of 62931

Prime factors of 62931 are 3, 11, 1907. Prime factorization of 62931 in exponential form is:

62931 = 31 × 111 × 19071

Prime Factorization of 62940

Prime factors of 62940 are 2, 3, 5, 1049. Prime factorization of 62940 in exponential form is:

62940 = 22 × 31 × 51 × 10491

Now multiplying the highest exponent prime factors to calculate the LCM of 62931 and 62940.

LCM(62931,62940) = 31 × 111 × 19071 × 22 × 51 × 10491
LCM(62931,62940) = 1320292380