What is the Least Common Multiple of 41605 and 41620?

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 41605 and 41620 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 41605 and 41620, than apply into the LCM equation.

GCF(41605,41620) = 5
LCM(41605,41620) = ( 41605 × 41620) / 5
LCM(41605,41620) = 1731600100 / 5
LCM(41605,41620) = 346320020

Least Common Multiple (LCM) of 41605 and 41620 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 41605 and 41620. First we will calculate the prime factors of 41605 and 41620.

Prime Factorization of 41605

Prime Factorization of 41620

Now multiplying the highest exponent prime factors to calculate the LCM of 41605 and 41620.

LCM(41605,41620) = 5¹ × 53¹ × 157¹ × 2² × 2081¹
LCM(41605,41620) = 346320020