What is the Least Common Multiple of 25378 and 25391?

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 25378 and 25391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25378 and 25391, than apply into the LCM equation.

GCF(25378,25391) = 1
LCM(25378,25391) = ( 25378 × 25391) / 1
LCM(25378,25391) = 644372798 / 1
LCM(25378,25391) = 644372798

Least Common Multiple (LCM) of 25378 and 25391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25378 and 25391. First we will calculate the prime factors of 25378 and 25391.

Prime Factorization of 25378

Prime Factorization of 25391

Now multiplying the highest exponent prime factors to calculate the LCM of 25378 and 25391.

LCM(25378,25391) = 2¹ × 12689¹ × 25391¹
LCM(25378,25391) = 644372798