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What is the Least Common Multiple of 4680 and 4684?

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 4680 and 4684 is 5480280.

LCM(4680,4684) = 5480280

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Least Common Multiple of 4680 and 4684 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4680 and 4684, than apply into the LCM equation.

GCF(4680,4684) = 4
LCM(4680,4684) = ( 4680 × 4684) / 4
LCM(4680,4684) = 21921120 / 4
LCM(4680,4684) = 5480280

Least Common Multiple (LCM) of 4680 and 4684 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4680 and 4684. First we will calculate the prime factors of 4680 and 4684.

Prime Factorization of 4680

Prime factors of 4680 are 2, 3, 5, 13. Prime factorization of 4680 in exponential form is:

4680 = 23 × 32 × 51 × 131

Prime Factorization of 4684

Prime factors of 4684 are 2, 1171. Prime factorization of 4684 in exponential form is:

4684 = 22 × 11711

Now multiplying the highest exponent prime factors to calculate the LCM of 4680 and 4684.

LCM(4680,4684) = 23 × 32 × 51 × 131 × 11711
LCM(4680,4684) = 5480280