What is the Least Common Multiple of 4960 and 4972?

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 of 4960 and 4972 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4960 and 4972, than apply into the LCM equation.

GCF(4960,4972) = 4
LCM(4960,4972) = ( 4960 × 4972) / 4
LCM(4960,4972) = 24661120 / 4
LCM(4960,4972) = 6165280

Least Common Multiple (LCM) of 4960 and 4972 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4960 and 4972. First we will calculate the prime factors of 4960 and 4972.

Prime Factorization of 4960

Prime Factorization of 4972

Now multiplying the highest exponent prime factors to calculate the LCM of 4960 and 4972.

LCM(4960,4972) = 2⁵ × 5¹ × 31¹ × 11¹ × 113¹
LCM(4960,4972) = 6165280