What is the Least Common Multiple of 69988 and 70008?

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 69988 and 70008 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69988 and 70008, than apply into the LCM equation.

GCF(69988,70008) = 4
LCM(69988,70008) = ( 69988 × 70008) / 4
LCM(69988,70008) = 4899719904 / 4
LCM(69988,70008) = 1224929976

Least Common Multiple (LCM) of 69988 and 70008 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69988 and 70008. First we will calculate the prime factors of 69988 and 70008.

Prime Factorization of 69988

Prime Factorization of 70008

Now multiplying the highest exponent prime factors to calculate the LCM of 69988 and 70008.

LCM(69988,70008) = 2³ × 17497¹ × 3¹ × 2917¹
LCM(69988,70008) = 1224929976