What is the Least Common Multiple of 70981 and 71001?

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 70981 and 71001 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70981 and 71001, than apply into the LCM equation.

GCF(70981,71001) = 1
LCM(70981,71001) = ( 70981 × 71001) / 1
LCM(70981,71001) = 5039721981 / 1
LCM(70981,71001) = 5039721981

Least Common Multiple (LCM) of 70981 and 71001 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70981 and 71001. First we will calculate the prime factors of 70981 and 71001.

Prime Factorization of 70981

Prime Factorization of 71001

Now multiplying the highest exponent prime factors to calculate the LCM of 70981 and 71001.

LCM(70981,71001) = 70981¹ × 3² × 7³ × 23¹
LCM(70981,71001) = 5039721981