What is the Least Common Multiple of 53220 and 53240?

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 53220 and 53240 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53220 and 53240, than apply into the LCM equation.

GCF(53220,53240) = 20
LCM(53220,53240) = ( 53220 × 53240) / 20
LCM(53220,53240) = 2833432800 / 20
LCM(53220,53240) = 141671640

Least Common Multiple (LCM) of 53220 and 53240 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53220 and 53240. First we will calculate the prime factors of 53220 and 53240.

Prime Factorization of 53220

Prime Factorization of 53240

Now multiplying the highest exponent prime factors to calculate the LCM of 53220 and 53240.

LCM(53220,53240) = 2³ × 3¹ × 5¹ × 887¹ × 11³
LCM(53220,53240) = 141671640