What is the Least Common Multiple of 42747 and 42753?

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 42747 and 42753 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42747 and 42753, than apply into the LCM equation.

GCF(42747,42753) = 3
LCM(42747,42753) = ( 42747 × 42753) / 3
LCM(42747,42753) = 1827562491 / 3
LCM(42747,42753) = 609187497

Least Common Multiple (LCM) of 42747 and 42753 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42747 and 42753. First we will calculate the prime factors of 42747 and 42753.

Prime Factorization of 42747

Prime Factorization of 42753

Now multiplying the highest exponent prime factors to calculate the LCM of 42747 and 42753.

LCM(42747,42753) = 3¹ × 14249¹ × 14251¹
LCM(42747,42753) = 609187497