What is the Least Common Multiple of 79378 and 79391?

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 79378 and 79391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79378 and 79391, than apply into the LCM equation.

GCF(79378,79391) = 13
LCM(79378,79391) = ( 79378 × 79391) / 13
LCM(79378,79391) = 6301898798 / 13
LCM(79378,79391) = 484761446

Least Common Multiple (LCM) of 79378 and 79391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79378 and 79391. First we will calculate the prime factors of 79378 and 79391.

Prime Factorization of 79378

Prime Factorization of 79391

Now multiplying the highest exponent prime factors to calculate the LCM of 79378 and 79391.

LCM(79378,79391) = 2¹ × 13¹ × 43¹ × 71¹ × 31¹ × 197¹
LCM(79378,79391) = 484761446