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What is the Least Common Multiple of 4916 and 4920?

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 4916 and 4920 is 6046680.

LCM(4916,4920) = 6046680

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Least Common Multiple of 4916 and 4920 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4916 and 4920, than apply into the LCM equation.

GCF(4916,4920) = 4
LCM(4916,4920) = ( 4916 × 4920) / 4
LCM(4916,4920) = 24186720 / 4
LCM(4916,4920) = 6046680

Least Common Multiple (LCM) of 4916 and 4920 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4916 and 4920. First we will calculate the prime factors of 4916 and 4920.

Prime Factorization of 4916

Prime factors of 4916 are 2, 1229. Prime factorization of 4916 in exponential form is:

4916 = 22 × 12291

Prime Factorization of 4920

Prime factors of 4920 are 2, 3, 5, 41. Prime factorization of 4920 in exponential form is:

4920 = 23 × 31 × 51 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 4916 and 4920.

LCM(4916,4920) = 23 × 12291 × 31 × 51 × 411
LCM(4916,4920) = 6046680