What is the Least Common Multiple of 40621 and 40625?

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 40621 and 40625 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40621 and 40625, than apply into the LCM equation.

GCF(40621,40625) = 1
LCM(40621,40625) = ( 40621 × 40625) / 1
LCM(40621,40625) = 1650228125 / 1
LCM(40621,40625) = 1650228125

Least Common Multiple (LCM) of 40621 and 40625 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40621 and 40625. First we will calculate the prime factors of 40621 and 40625.

Prime Factorization of 40621

Prime Factorization of 40625

Now multiplying the highest exponent prime factors to calculate the LCM of 40621 and 40625.

LCM(40621,40625) = 7² × 829¹ × 5⁵ × 13¹
LCM(40621,40625) = 1650228125