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What is the Least Common Multiple of 87646 and 87657?

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 87646 and 87657 is 7682785422.

LCM(87646,87657) = 7682785422

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Least Common Multiple of 87646 and 87657 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87646 and 87657, than apply into the LCM equation.

GCF(87646,87657) = 1
LCM(87646,87657) = ( 87646 × 87657) / 1
LCM(87646,87657) = 7682785422 / 1
LCM(87646,87657) = 7682785422

Least Common Multiple (LCM) of 87646 and 87657 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87646 and 87657. First we will calculate the prime factors of 87646 and 87657.

Prime Factorization of 87646

Prime factors of 87646 are 2, 13, 3371. Prime factorization of 87646 in exponential form is:

87646 = 21 × 131 × 33711

Prime Factorization of 87657

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

87657 = 31 × 611 × 4791

Now multiplying the highest exponent prime factors to calculate the LCM of 87646 and 87657.

LCM(87646,87657) = 21 × 131 × 33711 × 31 × 611 × 4791
LCM(87646,87657) = 7682785422