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What is the Least Common Multiple of 87645 and 87659?

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 87645 and 87659 is 7682873055.

LCM(87645,87659) = 7682873055

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Least Common Multiple of 87645 and 87659 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87645 and 87659, than apply into the LCM equation.

GCF(87645,87659) = 1
LCM(87645,87659) = ( 87645 × 87659) / 1
LCM(87645,87659) = 7682873055 / 1
LCM(87645,87659) = 7682873055

Least Common Multiple (LCM) of 87645 and 87659 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87645 and 87659. First we will calculate the prime factors of 87645 and 87659.

Prime Factorization of 87645

Prime factors of 87645 are 3, 5, 5843. Prime factorization of 87645 in exponential form is:

87645 = 31 × 51 × 58431

Prime Factorization of 87659

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

87659 = 111 × 131 × 6131

Now multiplying the highest exponent prime factors to calculate the LCM of 87645 and 87659.

LCM(87645,87659) = 31 × 51 × 58431 × 111 × 131 × 6131
LCM(87645,87659) = 7682873055