What is the Least Common Multiple of 70858 and 70868?

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 70858 and 70868 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70858 and 70868, than apply into the LCM equation.

GCF(70858,70868) = 2
LCM(70858,70868) = ( 70858 × 70868) / 2
LCM(70858,70868) = 5021564744 / 2
LCM(70858,70868) = 2510782372

Least Common Multiple (LCM) of 70858 and 70868 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70858 and 70868. First we will calculate the prime factors of 70858 and 70868.

Prime Factorization of 70858

Prime Factorization of 70868

Now multiplying the highest exponent prime factors to calculate the LCM of 70858 and 70868.

LCM(70858,70868) = 2² × 71¹ × 499¹ × 7¹ × 2531¹
LCM(70858,70868) = 2510782372