What is the Least Common Multiple of 15140 and 15148?

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 15140 and 15148 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15140 and 15148, than apply into the LCM equation.

GCF(15140,15148) = 4
LCM(15140,15148) = ( 15140 × 15148) / 4
LCM(15140,15148) = 229340720 / 4
LCM(15140,15148) = 57335180

Least Common Multiple (LCM) of 15140 and 15148 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15140 and 15148. First we will calculate the prime factors of 15140 and 15148.

Prime Factorization of 15140

Prime Factorization of 15148

Now multiplying the highest exponent prime factors to calculate the LCM of 15140 and 15148.

LCM(15140,15148) = 2² × 5¹ × 757¹ × 7¹ × 541¹
LCM(15140,15148) = 57335180