What is the Least Common Multiple of 74987 and 74991?

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 74987 and 74991 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74987 and 74991, than apply into the LCM equation.

GCF(74987,74991) = 1
LCM(74987,74991) = ( 74987 × 74991) / 1
LCM(74987,74991) = 5623350117 / 1
LCM(74987,74991) = 5623350117

Least Common Multiple (LCM) of 74987 and 74991 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74987 and 74991. First we will calculate the prime factors of 74987 and 74991.

Prime Factorization of 74987

Prime Factorization of 74991

Now multiplying the highest exponent prime factors to calculate the LCM of 74987 and 74991.

LCM(74987,74991) = 11¹ × 17¹ × 401¹ × 3¹ × 7¹ × 3571¹
LCM(74987,74991) = 5623350117