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What is the Least Common Multiple of 72391 and 72406?

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 72391 and 72406 is 5241542746.

LCM(72391,72406) = 5241542746

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Least Common Multiple of 72391 and 72406 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72391 and 72406, than apply into the LCM equation.

GCF(72391,72406) = 1
LCM(72391,72406) = ( 72391 × 72406) / 1
LCM(72391,72406) = 5241542746 / 1
LCM(72391,72406) = 5241542746

Least Common Multiple (LCM) of 72391 and 72406 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72391 and 72406. First we will calculate the prime factors of 72391 and 72406.

Prime Factorization of 72391

Prime factors of 72391 are 11, 6581. Prime factorization of 72391 in exponential form is:

72391 = 111 × 65811

Prime Factorization of 72406

Prime factors of 72406 are 2, 41, 883. Prime factorization of 72406 in exponential form is:

72406 = 21 × 411 × 8831

Now multiplying the highest exponent prime factors to calculate the LCM of 72391 and 72406.

LCM(72391,72406) = 111 × 65811 × 21 × 411 × 8831
LCM(72391,72406) = 5241542746