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What is the Least Common Multiple of 4860 and 4872?

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 4860 and 4872 is 1973160.

LCM(4860,4872) = 1973160

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Least Common Multiple of 4860 and 4872 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4860 and 4872, than apply into the LCM equation.

GCF(4860,4872) = 12
LCM(4860,4872) = ( 4860 × 4872) / 12
LCM(4860,4872) = 23677920 / 12
LCM(4860,4872) = 1973160

Least Common Multiple (LCM) of 4860 and 4872 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4860 and 4872. First we will calculate the prime factors of 4860 and 4872.

Prime Factorization of 4860

Prime factors of 4860 are 2, 3, 5. Prime factorization of 4860 in exponential form is:

4860 = 22 × 35 × 51

Prime Factorization of 4872

Prime factors of 4872 are 2, 3, 7, 29. Prime factorization of 4872 in exponential form is:

4872 = 23 × 31 × 71 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 4860 and 4872.

LCM(4860,4872) = 23 × 35 × 51 × 71 × 291
LCM(4860,4872) = 1973160