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What is the Least Common Multiple of 87646 and 87666?

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 87666 is 3841787118.

LCM(87646,87666) = 3841787118

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Least Common Multiple of 87646 and 87666 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 87666, than apply into the LCM equation.

GCF(87646,87666) = 2
LCM(87646,87666) = ( 87646 × 87666) / 2
LCM(87646,87666) = 7683574236 / 2
LCM(87646,87666) = 3841787118

Least Common Multiple (LCM) of 87646 and 87666 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87646 and 87666. First we will calculate the prime factors of 87646 and 87666.

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 87666

Prime factors of 87666 are 2, 3, 19, 769. Prime factorization of 87666 in exponential form is:

87666 = 21 × 31 × 191 × 7691

Now multiplying the highest exponent prime factors to calculate the LCM of 87646 and 87666.

LCM(87646,87666) = 21 × 131 × 33711 × 31 × 191 × 7691
LCM(87646,87666) = 3841787118