What is the Least Common Multiple of 53605 and 53620?

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 53605 and 53620 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53605 and 53620, than apply into the LCM equation.

GCF(53605,53620) = 5
LCM(53605,53620) = ( 53605 × 53620) / 5
LCM(53605,53620) = 2874300100 / 5
LCM(53605,53620) = 574860020

Least Common Multiple (LCM) of 53605 and 53620 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53605 and 53620. First we will calculate the prime factors of 53605 and 53620.

Prime Factorization of 53605

Prime Factorization of 53620

Now multiplying the highest exponent prime factors to calculate the LCM of 53605 and 53620.

LCM(53605,53620) = 5¹ × 71¹ × 151¹ × 2² × 7¹ × 383¹
LCM(53605,53620) = 574860020