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What is the Least Common Multiple of 78537 and 78542?

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 78537 and 78542 is 6168453054.

LCM(78537,78542) = 6168453054

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Least Common Multiple of 78537 and 78542 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78537 and 78542, than apply into the LCM equation.

GCF(78537,78542) = 1
LCM(78537,78542) = ( 78537 × 78542) / 1
LCM(78537,78542) = 6168453054 / 1
LCM(78537,78542) = 6168453054

Least Common Multiple (LCM) of 78537 and 78542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78537 and 78542. First we will calculate the prime factors of 78537 and 78542.

Prime Factorization of 78537

Prime factors of 78537 are 3, 47, 557. Prime factorization of 78537 in exponential form is:

78537 = 31 × 471 × 5571

Prime Factorization of 78542

Prime factors of 78542 are 2, 173, 227. Prime factorization of 78542 in exponential form is:

78542 = 21 × 1731 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 78537 and 78542.

LCM(78537,78542) = 31 × 471 × 5571 × 21 × 1731 × 2271
LCM(78537,78542) = 6168453054