What is the Least Common Multiple of 70231 and 70238?

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 70231 and 70238 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70231 and 70238, than apply into the LCM equation.

GCF(70231,70238) = 7
LCM(70231,70238) = ( 70231 × 70238) / 7
LCM(70231,70238) = 4932884978 / 7
LCM(70231,70238) = 704697854

Least Common Multiple (LCM) of 70231 and 70238 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70231 and 70238. First we will calculate the prime factors of 70231 and 70238.

Prime Factorization of 70231

Prime Factorization of 70238

Now multiplying the highest exponent prime factors to calculate the LCM of 70231 and 70238.

LCM(70231,70238) = 7¹ × 79¹ × 127¹ × 2¹ × 29¹ × 173¹
LCM(70231,70238) = 704697854