What is the Least Common Multiple of 70829 and 70840?

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 70829 and 70840 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70829 and 70840, than apply into the LCM equation.

GCF(70829,70840) = 11
LCM(70829,70840) = ( 70829 × 70840) / 11
LCM(70829,70840) = 5017526360 / 11
LCM(70829,70840) = 456138760

Least Common Multiple (LCM) of 70829 and 70840 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70829 and 70840. First we will calculate the prime factors of 70829 and 70840.

Prime Factorization of 70829

Prime Factorization of 70840

Now multiplying the highest exponent prime factors to calculate the LCM of 70829 and 70840.

LCM(70829,70840) = 11¹ × 47¹ × 137¹ × 2³ × 5¹ × 7¹ × 23¹
LCM(70829,70840) = 456138760