What is the Least Common Multiple of 42765 and 42771?

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 42765 and 42771 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42765 and 42771, than apply into the LCM equation.

GCF(42765,42771) = 3
LCM(42765,42771) = ( 42765 × 42771) / 3
LCM(42765,42771) = 1829101815 / 3
LCM(42765,42771) = 609700605

Least Common Multiple (LCM) of 42765 and 42771 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42765 and 42771. First we will calculate the prime factors of 42765 and 42771.

Prime Factorization of 42765

Prime Factorization of 42771

Now multiplying the highest exponent prime factors to calculate the LCM of 42765 and 42771.

LCM(42765,42771) = 3¹ × 5¹ × 2851¹ × 53¹ × 269¹
LCM(42765,42771) = 609700605