What is the Least Common Multiple of 61715 and 61729?

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 61715 and 61729 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61715 and 61729, than apply into the LCM equation.

GCF(61715,61729) = 1
LCM(61715,61729) = ( 61715 × 61729) / 1
LCM(61715,61729) = 3809605235 / 1
LCM(61715,61729) = 3809605235

Least Common Multiple (LCM) of 61715 and 61729 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61715 and 61729. First we will calculate the prime factors of 61715 and 61729.

Prime Factorization of 61715

Prime Factorization of 61729

Now multiplying the highest exponent prime factors to calculate the LCM of 61715 and 61729.

LCM(61715,61729) = 5¹ × 12343¹ × 61729¹
LCM(61715,61729) = 3809605235