What is the Least Common Multiple of 40142 and 40157?

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 40142 and 40157 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40142 and 40157, than apply into the LCM equation.

GCF(40142,40157) = 1
LCM(40142,40157) = ( 40142 × 40157) / 1
LCM(40142,40157) = 1611982294 / 1
LCM(40142,40157) = 1611982294

Least Common Multiple (LCM) of 40142 and 40157 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40142 and 40157. First we will calculate the prime factors of 40142 and 40157.

Prime Factorization of 40142

Prime Factorization of 40157

Now multiplying the highest exponent prime factors to calculate the LCM of 40142 and 40157.

LCM(40142,40157) = 2¹ × 20071¹ × 13¹ × 3089¹
LCM(40142,40157) = 1611982294