What is the Least Common Multiple of 40415 and 40423?

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 40415 and 40423 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40415 and 40423, than apply into the LCM equation.

GCF(40415,40423) = 1
LCM(40415,40423) = ( 40415 × 40423) / 1
LCM(40415,40423) = 1633695545 / 1
LCM(40415,40423) = 1633695545

Least Common Multiple (LCM) of 40415 and 40423 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40415 and 40423. First we will calculate the prime factors of 40415 and 40423.

Prime Factorization of 40415

Prime Factorization of 40423

Now multiplying the highest exponent prime factors to calculate the LCM of 40415 and 40423.

LCM(40415,40423) = 5¹ × 59¹ × 137¹ × 40423¹
LCM(40415,40423) = 1633695545