What is the Least Common Multiple of 39745 and 39756?

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 39745 and 39756 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39745 and 39756, than apply into the LCM equation.

GCF(39745,39756) = 1
LCM(39745,39756) = ( 39745 × 39756) / 1
LCM(39745,39756) = 1580102220 / 1
LCM(39745,39756) = 1580102220

Least Common Multiple (LCM) of 39745 and 39756 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39745 and 39756. First we will calculate the prime factors of 39745 and 39756.

Prime Factorization of 39745

Prime Factorization of 39756

Now multiplying the highest exponent prime factors to calculate the LCM of 39745 and 39756.

LCM(39745,39756) = 5¹ × 7949¹ × 2² × 3¹ × 3313¹
LCM(39745,39756) = 1580102220