What is the Least Common Multiple of 75401 and 75409?

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 75401 and 75409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75401 and 75409, than apply into the LCM equation.

GCF(75401,75409) = 1
LCM(75401,75409) = ( 75401 × 75409) / 1
LCM(75401,75409) = 5685914009 / 1
LCM(75401,75409) = 5685914009

Least Common Multiple (LCM) of 75401 and 75409 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75401 and 75409. First we will calculate the prime factors of 75401 and 75409.

Prime Factorization of 75401

Prime Factorization of 75409

Now multiplying the highest exponent prime factors to calculate the LCM of 75401 and 75409.

LCM(75401,75409) = 75401¹ × 73¹ × 1033¹
LCM(75401,75409) = 5685914009