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What is the Least Common Multiple of 72685 and 72694?

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 72685 and 72694 is 5283763390.

LCM(72685,72694) = 5283763390

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Least Common Multiple of 72685 and 72694 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72685 and 72694, than apply into the LCM equation.

GCF(72685,72694) = 1
LCM(72685,72694) = ( 72685 × 72694) / 1
LCM(72685,72694) = 5283763390 / 1
LCM(72685,72694) = 5283763390

Least Common Multiple (LCM) of 72685 and 72694 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72685 and 72694. First we will calculate the prime factors of 72685 and 72694.

Prime Factorization of 72685

Prime factors of 72685 are 5, 14537. Prime factorization of 72685 in exponential form is:

72685 = 51 × 145371

Prime Factorization of 72694

Prime factors of 72694 are 2, 19, 1913. Prime factorization of 72694 in exponential form is:

72694 = 21 × 191 × 19131

Now multiplying the highest exponent prime factors to calculate the LCM of 72685 and 72694.

LCM(72685,72694) = 51 × 145371 × 21 × 191 × 19131
LCM(72685,72694) = 5283763390