What is the Least Common Multiple of 39221 and 39239?

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 39221 and 39239 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39221 and 39239, than apply into the LCM equation.

GCF(39221,39239) = 1
LCM(39221,39239) = ( 39221 × 39239) / 1
LCM(39221,39239) = 1538992819 / 1
LCM(39221,39239) = 1538992819

Least Common Multiple (LCM) of 39221 and 39239 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39221 and 39239. First we will calculate the prime factors of 39221 and 39239.

Prime Factorization of 39221

Prime Factorization of 39239

Now multiplying the highest exponent prime factors to calculate the LCM of 39221 and 39239.

LCM(39221,39239) = 7¹ × 13¹ × 431¹ × 39239¹
LCM(39221,39239) = 1538992819