What is the Least Common Multiple of 39897 and 39903?

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 39897 and 39903 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39897 and 39903, than apply into the LCM equation.

GCF(39897,39903) = 3
LCM(39897,39903) = ( 39897 × 39903) / 3
LCM(39897,39903) = 1592009991 / 3
LCM(39897,39903) = 530669997

Least Common Multiple (LCM) of 39897 and 39903 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39897 and 39903. First we will calculate the prime factors of 39897 and 39903.

Prime Factorization of 39897

Prime Factorization of 39903

Now multiplying the highest exponent prime factors to calculate the LCM of 39897 and 39903.

LCM(39897,39903) = 3² × 11¹ × 13¹ × 31¹ × 47¹ × 283¹
LCM(39897,39903) = 530669997