What is the Least Common Multiple of 74257 and 74261?

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 74257 and 74261 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74257 and 74261, than apply into the LCM equation.

GCF(74257,74261) = 1
LCM(74257,74261) = ( 74257 × 74261) / 1
LCM(74257,74261) = 5514399077 / 1
LCM(74257,74261) = 5514399077

Least Common Multiple (LCM) of 74257 and 74261 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74257 and 74261. First we will calculate the prime factors of 74257 and 74261.

Prime Factorization of 74257

Prime Factorization of 74261

Now multiplying the highest exponent prime factors to calculate the LCM of 74257 and 74261.

LCM(74257,74261) = 74257¹ × 11¹ × 43¹ × 157¹
LCM(74257,74261) = 5514399077