What is the Least Common Multiple of 26420 and 26425?

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 26420 and 26425 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26420 and 26425, than apply into the LCM equation.

GCF(26420,26425) = 5
LCM(26420,26425) = ( 26420 × 26425) / 5
LCM(26420,26425) = 698148500 / 5
LCM(26420,26425) = 139629700

Least Common Multiple (LCM) of 26420 and 26425 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26420 and 26425. First we will calculate the prime factors of 26420 and 26425.

Prime Factorization of 26420

Prime Factorization of 26425

Now multiplying the highest exponent prime factors to calculate the LCM of 26420 and 26425.

LCM(26420,26425) = 2² × 5² × 1321¹ × 7¹ × 151¹
LCM(26420,26425) = 139629700