What is the Least Common Multiple of 87891 and 87897?

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 87891 and 87897 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87891 and 87897, than apply into the LCM equation.

GCF(87891,87897) = 3
LCM(87891,87897) = ( 87891 × 87897) / 3
LCM(87891,87897) = 7725355227 / 3
LCM(87891,87897) = 2575118409

Least Common Multiple (LCM) of 87891 and 87897 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87891 and 87897. First we will calculate the prime factors of 87891 and 87897.

Prime Factorization of 87891

Prime Factorization of 87897

Now multiplying the highest exponent prime factors to calculate the LCM of 87891 and 87897.

LCM(87891,87897) = 3¹ × 29297¹ × 83¹ × 353¹
LCM(87891,87897) = 2575118409