What is the Least Common Multiple of 39745 and 39757?

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 39757 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 39757, than apply into the LCM equation.

GCF(39745,39757) = 1
LCM(39745,39757) = ( 39745 × 39757) / 1
LCM(39745,39757) = 1580141965 / 1
LCM(39745,39757) = 1580141965

Least Common Multiple (LCM) of 39745 and 39757 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39745 and 39757. First we will calculate the prime factors of 39745 and 39757.

Prime Factorization of 39745

Prime Factorization of 39757

Now multiplying the highest exponent prime factors to calculate the LCM of 39745 and 39757.

LCM(39745,39757) = 5¹ × 7949¹ × 83¹ × 479¹
LCM(39745,39757) = 1580141965