What is the Least Common Multiple of 39080 and 39090?

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 39080 and 39090 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39080 and 39090, than apply into the LCM equation.

GCF(39080,39090) = 10
LCM(39080,39090) = ( 39080 × 39090) / 10
LCM(39080,39090) = 1527637200 / 10
LCM(39080,39090) = 152763720

Least Common Multiple (LCM) of 39080 and 39090 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39080 and 39090. First we will calculate the prime factors of 39080 and 39090.

Prime Factorization of 39080

Prime Factorization of 39090

Now multiplying the highest exponent prime factors to calculate the LCM of 39080 and 39090.

LCM(39080,39090) = 2³ × 5¹ × 977¹ × 3¹ × 1303¹
LCM(39080,39090) = 152763720