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What is the Least Common Multiple of 78559 and 78572?

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 78559 and 78572 is 474810596.

LCM(78559,78572) = 474810596

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Least Common Multiple of 78559 and 78572 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78559 and 78572, than apply into the LCM equation.

GCF(78559,78572) = 13
LCM(78559,78572) = ( 78559 × 78572) / 13
LCM(78559,78572) = 6172537748 / 13
LCM(78559,78572) = 474810596

Least Common Multiple (LCM) of 78559 and 78572 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78559 and 78572. First we will calculate the prime factors of 78559 and 78572.

Prime Factorization of 78559

Prime factors of 78559 are 13, 6043. Prime factorization of 78559 in exponential form is:

78559 = 131 × 60431

Prime Factorization of 78572

Prime factors of 78572 are 2, 13, 1511. Prime factorization of 78572 in exponential form is:

78572 = 22 × 131 × 15111

Now multiplying the highest exponent prime factors to calculate the LCM of 78559 and 78572.

LCM(78559,78572) = 131 × 60431 × 22 × 15111
LCM(78559,78572) = 474810596