What is the Least Common Multiple of 40431 and 40451?

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 40431 and 40451 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40431 and 40451, than apply into the LCM equation.

GCF(40431,40451) = 1
LCM(40431,40451) = ( 40431 × 40451) / 1
LCM(40431,40451) = 1635474381 / 1
LCM(40431,40451) = 1635474381

Least Common Multiple (LCM) of 40431 and 40451 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40431 and 40451. First we will calculate the prime factors of 40431 and 40451.

Prime Factorization of 40431

Prime Factorization of 40451

Now multiplying the highest exponent prime factors to calculate the LCM of 40431 and 40451.

LCM(40431,40451) = 3¹ × 13477¹ × 19¹ × 2129¹
LCM(40431,40451) = 1635474381