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What is the Least Common Multiple of 78731 and 78744?

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 78731 and 78744 is 6199593864.

LCM(78731,78744) = 6199593864

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Least Common Multiple of 78731 and 78744 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78731 and 78744, than apply into the LCM equation.

GCF(78731,78744) = 1
LCM(78731,78744) = ( 78731 × 78744) / 1
LCM(78731,78744) = 6199593864 / 1
LCM(78731,78744) = 6199593864

Least Common Multiple (LCM) of 78731 and 78744 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78731 and 78744. First we will calculate the prime factors of 78731 and 78744.

Prime Factorization of 78731

Prime factors of 78731 are 131, 601. Prime factorization of 78731 in exponential form is:

78731 = 1311 × 6011

Prime Factorization of 78744

Prime factors of 78744 are 2, 3, 17, 193. Prime factorization of 78744 in exponential form is:

78744 = 23 × 31 × 171 × 1931

Now multiplying the highest exponent prime factors to calculate the LCM of 78731 and 78744.

LCM(78731,78744) = 1311 × 6011 × 23 × 31 × 171 × 1931
LCM(78731,78744) = 6199593864