What is the Least Common Multiple of 68689 and 68707?

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 68689 and 68707 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68689 and 68707, than apply into the LCM equation.

GCF(68689,68707) = 1
LCM(68689,68707) = ( 68689 × 68707) / 1
LCM(68689,68707) = 4719415123 / 1
LCM(68689,68707) = 4719415123

Least Common Multiple (LCM) of 68689 and 68707 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68689 and 68707. First we will calculate the prime factors of 68689 and 68707.

Prime Factorization of 68689

Prime Factorization of 68707

Now multiplying the highest exponent prime factors to calculate the LCM of 68689 and 68707.

LCM(68689,68707) = 149¹ × 461¹ × 127¹ × 541¹
LCM(68689,68707) = 4719415123