What is the Least Common Multiple of 4860 and 4880?

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 4860 and 4880 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 4880, than apply into the LCM equation.

GCF(4860,4880) = 20
LCM(4860,4880) = ( 4860 × 4880) / 20
LCM(4860,4880) = 23716800 / 20
LCM(4860,4880) = 1185840

Least Common Multiple (LCM) of 4860 and 4880 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4860 and 4880. First we will calculate the prime factors of 4860 and 4880.

Prime Factorization of 4860

Prime Factorization of 4880

Now multiplying the highest exponent prime factors to calculate the LCM of 4860 and 4880.

LCM(4860,4880) = 2⁴ × 3⁵ × 5¹ × 61¹
LCM(4860,4880) = 1185840