What is the Least Common Multiple of 71143 and 71161?

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 71143 and 71161 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71143 and 71161, than apply into the LCM equation.

GCF(71143,71161) = 1
LCM(71143,71161) = ( 71143 × 71161) / 1
LCM(71143,71161) = 5062607023 / 1
LCM(71143,71161) = 5062607023

Least Common Multiple (LCM) of 71143 and 71161 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71143 and 71161. First we will calculate the prime factors of 71143 and 71161.

Prime Factorization of 71143

Prime Factorization of 71161

Now multiplying the highest exponent prime factors to calculate the LCM of 71143 and 71161.

LCM(71143,71161) = 71143¹ × 71161¹
LCM(71143,71161) = 5062607023