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What is the Least Common Multiple of 72680 and 72699?

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 72680 and 72699 is 5283763320.

LCM(72680,72699) = 5283763320

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Least Common Multiple of 72680 and 72699 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72680 and 72699, than apply into the LCM equation.

GCF(72680,72699) = 1
LCM(72680,72699) = ( 72680 × 72699) / 1
LCM(72680,72699) = 5283763320 / 1
LCM(72680,72699) = 5283763320

Least Common Multiple (LCM) of 72680 and 72699 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72680 and 72699. First we will calculate the prime factors of 72680 and 72699.

Prime Factorization of 72680

Prime factors of 72680 are 2, 5, 23, 79. Prime factorization of 72680 in exponential form is:

72680 = 23 × 51 × 231 × 791

Prime Factorization of 72699

Prime factors of 72699 are 3, 11, 2203. Prime factorization of 72699 in exponential form is:

72699 = 31 × 111 × 22031

Now multiplying the highest exponent prime factors to calculate the LCM of 72680 and 72699.

LCM(72680,72699) = 23 × 51 × 231 × 791 × 31 × 111 × 22031
LCM(72680,72699) = 5283763320