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What is the Least Common Multiple of 86731 and 86738?

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 86731 and 86738 is 7522873478.

LCM(86731,86738) = 7522873478

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Least Common Multiple of 86731 and 86738 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86731 and 86738, than apply into the LCM equation.

GCF(86731,86738) = 1
LCM(86731,86738) = ( 86731 × 86738) / 1
LCM(86731,86738) = 7522873478 / 1
LCM(86731,86738) = 7522873478

Least Common Multiple (LCM) of 86731 and 86738 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86731 and 86738. First we will calculate the prime factors of 86731 and 86738.

Prime Factorization of 86731

Prime factors of 86731 are 43, 2017. Prime factorization of 86731 in exponential form is:

86731 = 431 × 20171

Prime Factorization of 86738

Prime factors of 86738 are 2, 31, 1399. Prime factorization of 86738 in exponential form is:

86738 = 21 × 311 × 13991

Now multiplying the highest exponent prime factors to calculate the LCM of 86731 and 86738.

LCM(86731,86738) = 431 × 20171 × 21 × 311 × 13991
LCM(86731,86738) = 7522873478