What is the Least Common Multiple of 70872 and 70892?

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 70872 and 70892 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70872 and 70892, than apply into the LCM equation.

GCF(70872,70892) = 4
LCM(70872,70892) = ( 70872 × 70892) / 4
LCM(70872,70892) = 5024257824 / 4
LCM(70872,70892) = 1256064456

Least Common Multiple (LCM) of 70872 and 70892 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70872 and 70892. First we will calculate the prime factors of 70872 and 70892.

Prime Factorization of 70872

Prime Factorization of 70892

Now multiplying the highest exponent prime factors to calculate the LCM of 70872 and 70892.

LCM(70872,70892) = 2³ × 3¹ × 2953¹ × 37¹ × 479¹
LCM(70872,70892) = 1256064456