What is the Least Common Multiple of 52820 and 52840?

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 52820 and 52840 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 52820 and 52840, than apply into the LCM equation.

GCF(52820,52840) = 20
LCM(52820,52840) = ( 52820 × 52840) / 20
LCM(52820,52840) = 2791008800 / 20
LCM(52820,52840) = 139550440

Least Common Multiple (LCM) of 52820 and 52840 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 52820 and 52840. First we will calculate the prime factors of 52820 and 52840.

Prime Factorization of 52820

Prime Factorization of 52840

Now multiplying the highest exponent prime factors to calculate the LCM of 52820 and 52840.

LCM(52820,52840) = 2³ × 5¹ × 19¹ × 139¹ × 1321¹
LCM(52820,52840) = 139550440