What is the Least Common Multiple of 40258 and 40270?

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 40258 and 40270 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40258 and 40270, than apply into the LCM equation.

GCF(40258,40270) = 2
LCM(40258,40270) = ( 40258 × 40270) / 2
LCM(40258,40270) = 1621189660 / 2
LCM(40258,40270) = 810594830

Least Common Multiple (LCM) of 40258 and 40270 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40258 and 40270. First we will calculate the prime factors of 40258 and 40270.

Prime Factorization of 40258

Prime Factorization of 40270

Now multiplying the highest exponent prime factors to calculate the LCM of 40258 and 40270.

LCM(40258,40270) = 2¹ × 20129¹ × 5¹ × 4027¹
LCM(40258,40270) = 810594830