What is the Least Common Multiple of 68489 and 68507?

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 68489 and 68507 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68489 and 68507, than apply into the LCM equation.

GCF(68489,68507) = 1
LCM(68489,68507) = ( 68489 × 68507) / 1
LCM(68489,68507) = 4691975923 / 1
LCM(68489,68507) = 4691975923

Least Common Multiple (LCM) of 68489 and 68507 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68489 and 68507. First we will calculate the prime factors of 68489 and 68507.

Prime Factorization of 68489

Prime Factorization of 68507

Now multiplying the highest exponent prime factors to calculate the LCM of 68489 and 68507.

LCM(68489,68507) = 68489¹ × 68507¹
LCM(68489,68507) = 4691975923