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What is the Least Common Multiple of 72651 and 72665?

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 72651 and 72665 is 5279184915.

LCM(72651,72665) = 5279184915

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Least Common Multiple of 72651 and 72665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72651 and 72665, than apply into the LCM equation.

GCF(72651,72665) = 1
LCM(72651,72665) = ( 72651 × 72665) / 1
LCM(72651,72665) = 5279184915 / 1
LCM(72651,72665) = 5279184915

Least Common Multiple (LCM) of 72651 and 72665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72651 and 72665. First we will calculate the prime factors of 72651 and 72665.

Prime Factorization of 72651

Prime factors of 72651 are 3, 61, 397. Prime factorization of 72651 in exponential form is:

72651 = 31 × 611 × 3971

Prime Factorization of 72665

Prime factors of 72665 are 5, 14533. Prime factorization of 72665 in exponential form is:

72665 = 51 × 145331

Now multiplying the highest exponent prime factors to calculate the LCM of 72651 and 72665.

LCM(72651,72665) = 31 × 611 × 3971 × 51 × 145331
LCM(72651,72665) = 5279184915