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What is the Least Common Multiple of 87657 and 87670?

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 87657 and 87670 is 7684889190.

LCM(87657,87670) = 7684889190

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Least Common Multiple of 87657 and 87670 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87657 and 87670, than apply into the LCM equation.

GCF(87657,87670) = 1
LCM(87657,87670) = ( 87657 × 87670) / 1
LCM(87657,87670) = 7684889190 / 1
LCM(87657,87670) = 7684889190

Least Common Multiple (LCM) of 87657 and 87670 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87657 and 87670. First we will calculate the prime factors of 87657 and 87670.

Prime Factorization of 87657

Prime factors of 87657 are 3, 61, 479. Prime factorization of 87657 in exponential form is:

87657 = 31 × 611 × 4791

Prime Factorization of 87670

Prime factors of 87670 are 2, 5, 11, 797. Prime factorization of 87670 in exponential form is:

87670 = 21 × 51 × 111 × 7971

Now multiplying the highest exponent prime factors to calculate the LCM of 87657 and 87670.

LCM(87657,87670) = 31 × 611 × 4791 × 21 × 51 × 111 × 7971
LCM(87657,87670) = 7684889190