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What is the Least Common Multiple of 87659 and 87668?

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 87659 and 87668 is 7684889212.

LCM(87659,87668) = 7684889212

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Least Common Multiple of 87659 and 87668 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87659 and 87668, than apply into the LCM equation.

GCF(87659,87668) = 1
LCM(87659,87668) = ( 87659 × 87668) / 1
LCM(87659,87668) = 7684889212 / 1
LCM(87659,87668) = 7684889212

Least Common Multiple (LCM) of 87659 and 87668 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87659 and 87668. First we will calculate the prime factors of 87659 and 87668.

Prime Factorization of 87659

Prime factors of 87659 are 11, 13, 613. Prime factorization of 87659 in exponential form is:

87659 = 111 × 131 × 6131

Prime Factorization of 87668

Prime factors of 87668 are 2, 7, 31, 101. Prime factorization of 87668 in exponential form is:

87668 = 22 × 71 × 311 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 87659 and 87668.

LCM(87659,87668) = 111 × 131 × 6131 × 22 × 71 × 311 × 1011
LCM(87659,87668) = 7684889212