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What is the Least Common Multiple of 8660 and 8672?

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 8660 and 8672 is 18774880.

LCM(8660,8672) = 18774880

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Least Common Multiple of 8660 and 8672 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8660 and 8672, than apply into the LCM equation.

GCF(8660,8672) = 4
LCM(8660,8672) = ( 8660 × 8672) / 4
LCM(8660,8672) = 75099520 / 4
LCM(8660,8672) = 18774880

Least Common Multiple (LCM) of 8660 and 8672 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8660 and 8672. First we will calculate the prime factors of 8660 and 8672.

Prime Factorization of 8660

Prime factors of 8660 are 2, 5, 433. Prime factorization of 8660 in exponential form is:

8660 = 22 × 51 × 4331

Prime Factorization of 8672

Prime factors of 8672 are 2, 271. Prime factorization of 8672 in exponential form is:

8672 = 25 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 8660 and 8672.

LCM(8660,8672) = 25 × 51 × 4331 × 2711
LCM(8660,8672) = 18774880