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What is the Least Common Multiple of 72615 and 72634?

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 72615 and 72634 is 5274317910.

LCM(72615,72634) = 5274317910

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Least Common Multiple of 72615 and 72634 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72615 and 72634, than apply into the LCM equation.

GCF(72615,72634) = 1
LCM(72615,72634) = ( 72615 × 72634) / 1
LCM(72615,72634) = 5274317910 / 1
LCM(72615,72634) = 5274317910

Least Common Multiple (LCM) of 72615 and 72634 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72615 and 72634. First we will calculate the prime factors of 72615 and 72634.

Prime Factorization of 72615

Prime factors of 72615 are 3, 5, 47, 103. Prime factorization of 72615 in exponential form is:

72615 = 31 × 51 × 471 × 1031

Prime Factorization of 72634

Prime factors of 72634 are 2, 23, 1579. Prime factorization of 72634 in exponential form is:

72634 = 21 × 231 × 15791

Now multiplying the highest exponent prime factors to calculate the LCM of 72615 and 72634.

LCM(72615,72634) = 31 × 51 × 471 × 1031 × 21 × 231 × 15791
LCM(72615,72634) = 5274317910