What is the Least Common Multiple of 74221 and 74231?

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 74221 and 74231 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74221 and 74231, than apply into the LCM equation.

GCF(74221,74231) = 1
LCM(74221,74231) = ( 74221 × 74231) / 1
LCM(74221,74231) = 5509499051 / 1
LCM(74221,74231) = 5509499051

Least Common Multiple (LCM) of 74221 and 74231 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74221 and 74231. First we will calculate the prime factors of 74221 and 74231.

Prime Factorization of 74221

Prime Factorization of 74231

Now multiplying the highest exponent prime factors to calculate the LCM of 74221 and 74231.

LCM(74221,74231) = 7¹ × 23¹ × 461¹ × 74231¹
LCM(74221,74231) = 5509499051