What is the Least Common Multiple of 17121 and 17139?

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 17121 and 17139 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17121 and 17139, than apply into the LCM equation.

GCF(17121,17139) = 3
LCM(17121,17139) = ( 17121 × 17139) / 3
LCM(17121,17139) = 293436819 / 3
LCM(17121,17139) = 97812273

Least Common Multiple (LCM) of 17121 and 17139 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17121 and 17139. First we will calculate the prime factors of 17121 and 17139.

Prime Factorization of 17121

Prime Factorization of 17139

Now multiplying the highest exponent prime factors to calculate the LCM of 17121 and 17139.

LCM(17121,17139) = 3¹ × 13¹ × 439¹ × 29¹ × 197¹
LCM(17121,17139) = 97812273