What is the Least Common Multiple of 40309 and 40321?

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 40309 and 40321 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40309 and 40321, than apply into the LCM equation.

GCF(40309,40321) = 1
LCM(40309,40321) = ( 40309 × 40321) / 1
LCM(40309,40321) = 1625299189 / 1
LCM(40309,40321) = 1625299189

Least Common Multiple (LCM) of 40309 and 40321 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40309 and 40321. First we will calculate the prime factors of 40309 and 40321.

Prime Factorization of 40309

Prime Factorization of 40321

Now multiplying the highest exponent prime factors to calculate the LCM of 40309 and 40321.

LCM(40309,40321) = 173¹ × 233¹ × 61¹ × 661¹
LCM(40309,40321) = 1625299189