What is the Least Common Multiple of 68578 and 68591?

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 68578 and 68591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68578 and 68591, than apply into the LCM equation.

GCF(68578,68591) = 1
LCM(68578,68591) = ( 68578 × 68591) / 1
LCM(68578,68591) = 4703833598 / 1
LCM(68578,68591) = 4703833598

Least Common Multiple (LCM) of 68578 and 68591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68578 and 68591. First we will calculate the prime factors of 68578 and 68591.

Prime Factorization of 68578

Prime Factorization of 68591

Now multiplying the highest exponent prime factors to calculate the LCM of 68578 and 68591.

LCM(68578,68591) = 2¹ × 17¹ × 2017¹ × 113¹ × 607¹
LCM(68578,68591) = 4703833598