What is the Least Common Multiple of 74991 and 75009?

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 74991 and 75009 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74991 and 75009, than apply into the LCM equation.

GCF(74991,75009) = 3
LCM(74991,75009) = ( 74991 × 75009) / 3
LCM(74991,75009) = 5624999919 / 3
LCM(74991,75009) = 1874999973

Least Common Multiple (LCM) of 74991 and 75009 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74991 and 75009. First we will calculate the prime factors of 74991 and 75009.

Prime Factorization of 74991

Prime Factorization of 75009

Now multiplying the highest exponent prime factors to calculate the LCM of 74991 and 75009.

LCM(74991,75009) = 3¹ × 7¹ × 3571¹ × 11¹ × 2273¹
LCM(74991,75009) = 1874999973