What is the Least Common Multiple of 68715 and 68729?

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 68715 and 68729 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68715 and 68729, than apply into the LCM equation.

GCF(68715,68729) = 1
LCM(68715,68729) = ( 68715 × 68729) / 1
LCM(68715,68729) = 4722713235 / 1
LCM(68715,68729) = 4722713235

Least Common Multiple (LCM) of 68715 and 68729 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68715 and 68729. First we will calculate the prime factors of 68715 and 68729.

Prime Factorization of 68715

Prime Factorization of 68729

Now multiplying the highest exponent prime factors to calculate the LCM of 68715 and 68729.

LCM(68715,68729) = 3³ × 5¹ × 509¹ × 68729¹
LCM(68715,68729) = 4722713235