What is the Least Common Multiple of 51480 and 51498?

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 51480 and 51498 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51480 and 51498, than apply into the LCM equation.

GCF(51480,51498) = 18
LCM(51480,51498) = ( 51480 × 51498) / 18
LCM(51480,51498) = 2651117040 / 18
LCM(51480,51498) = 147284280

Least Common Multiple (LCM) of 51480 and 51498 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51480 and 51498. First we will calculate the prime factors of 51480 and 51498.

Prime Factorization of 51480

Prime Factorization of 51498

Now multiplying the highest exponent prime factors to calculate the LCM of 51480 and 51498.

LCM(51480,51498) = 2³ × 3² × 5¹ × 11¹ × 13¹ × 2861¹
LCM(51480,51498) = 147284280