What is the Least Common Multiple of 53405 and 53415?

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 53405 and 53415 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53405 and 53415, than apply into the LCM equation.

GCF(53405,53415) = 5
LCM(53405,53415) = ( 53405 × 53415) / 5
LCM(53405,53415) = 2852628075 / 5
LCM(53405,53415) = 570525615

Least Common Multiple (LCM) of 53405 and 53415 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53405 and 53415. First we will calculate the prime factors of 53405 and 53415.

Prime Factorization of 53405

Prime Factorization of 53415

Now multiplying the highest exponent prime factors to calculate the LCM of 53405 and 53415.

LCM(53405,53415) = 5¹ × 11¹ × 971¹ × 3² × 1187¹
LCM(53405,53415) = 570525615