What is the Least Common Multiple of 68509 and 68528?

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 68509 and 68528 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68509 and 68528, than apply into the LCM equation.

GCF(68509,68528) = 1
LCM(68509,68528) = ( 68509 × 68528) / 1
LCM(68509,68528) = 4694784752 / 1
LCM(68509,68528) = 4694784752

Least Common Multiple (LCM) of 68509 and 68528 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68509 and 68528. First we will calculate the prime factors of 68509 and 68528.

Prime Factorization of 68509

Prime Factorization of 68528

Now multiplying the highest exponent prime factors to calculate the LCM of 68509 and 68528.

LCM(68509,68528) = 7¹ × 9787¹ × 2⁴ × 4283¹
LCM(68509,68528) = 4694784752