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What is the Least Common Multiple of 87651 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 87651 and 87670 is 7684363170.

LCM(87651,87670) = 7684363170

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Least Common Multiple of 87651 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 87651 and 87670, than apply into the LCM equation.

GCF(87651,87670) = 1
LCM(87651,87670) = ( 87651 × 87670) / 1
LCM(87651,87670) = 7684363170 / 1
LCM(87651,87670) = 7684363170

Least Common Multiple (LCM) of 87651 and 87670 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87651 and 87670. First we will calculate the prime factors of 87651 and 87670.

Prime Factorization of 87651

Prime factors of 87651 are 3, 9739. Prime factorization of 87651 in exponential form is:

87651 = 32 × 97391

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 87651 and 87670.

LCM(87651,87670) = 32 × 97391 × 21 × 51 × 111 × 7971
LCM(87651,87670) = 7684363170