What is the Least Common Multiple of 51555 and 51569?

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 51555 and 51569 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51555 and 51569, than apply into the LCM equation.

GCF(51555,51569) = 7
LCM(51555,51569) = ( 51555 × 51569) / 7
LCM(51555,51569) = 2658639795 / 7
LCM(51555,51569) = 379805685

Least Common Multiple (LCM) of 51555 and 51569 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51555 and 51569. First we will calculate the prime factors of 51555 and 51569.

Prime Factorization of 51555

Prime Factorization of 51569

Now multiplying the highest exponent prime factors to calculate the LCM of 51555 and 51569.

LCM(51555,51569) = 3¹ × 5¹ × 7¹ × 491¹ × 53¹ × 139¹
LCM(51555,51569) = 379805685