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What is the Least Common Multiple of 72562 and 72578?

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 72562 and 72578 is 2633202418.

LCM(72562,72578) = 2633202418

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Least Common Multiple of 72562 and 72578 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72562 and 72578, than apply into the LCM equation.

GCF(72562,72578) = 2
LCM(72562,72578) = ( 72562 × 72578) / 2
LCM(72562,72578) = 5266404836 / 2
LCM(72562,72578) = 2633202418

Least Common Multiple (LCM) of 72562 and 72578 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72562 and 72578. First we will calculate the prime factors of 72562 and 72578.

Prime Factorization of 72562

Prime factors of 72562 are 2, 7, 71, 73. Prime factorization of 72562 in exponential form is:

72562 = 21 × 71 × 711 × 731

Prime Factorization of 72578

Prime factors of 72578 are 2, 11, 3299. Prime factorization of 72578 in exponential form is:

72578 = 21 × 111 × 32991

Now multiplying the highest exponent prime factors to calculate the LCM of 72562 and 72578.

LCM(72562,72578) = 21 × 71 × 711 × 731 × 111 × 32991
LCM(72562,72578) = 2633202418