What is the Least Common Multiple of 39102 and 39121?

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 39102 and 39121 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39102 and 39121, than apply into the LCM equation.

GCF(39102,39121) = 19
LCM(39102,39121) = ( 39102 × 39121) / 19
LCM(39102,39121) = 1529709342 / 19
LCM(39102,39121) = 80511018

Least Common Multiple (LCM) of 39102 and 39121 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39102 and 39121. First we will calculate the prime factors of 39102 and 39121.

Prime Factorization of 39102

Prime Factorization of 39121

Now multiplying the highest exponent prime factors to calculate the LCM of 39102 and 39121.

LCM(39102,39121) = 2¹ × 3¹ × 7³ × 19¹ × 29¹ × 71¹
LCM(39102,39121) = 80511018