What is the Least Common Multiple of 42247 and 42251?

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 42247 and 42251 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42247 and 42251, than apply into the LCM equation.

GCF(42247,42251) = 1
LCM(42247,42251) = ( 42247 × 42251) / 1
LCM(42247,42251) = 1784977997 / 1
LCM(42247,42251) = 1784977997

Least Common Multiple (LCM) of 42247 and 42251 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42247 and 42251. First we will calculate the prime factors of 42247 and 42251.

Prime Factorization of 42247

Prime Factorization of 42251

Now multiplying the highest exponent prime factors to calculate the LCM of 42247 and 42251.

LCM(42247,42251) = 83¹ × 509¹ × 11¹ × 23¹ × 167¹
LCM(42247,42251) = 1784977997