What is the Least Common Multiple of 40128 and 40147?

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 40128 and 40147 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40128 and 40147, than apply into the LCM equation.

GCF(40128,40147) = 19
LCM(40128,40147) = ( 40128 × 40147) / 19
LCM(40128,40147) = 1611018816 / 19
LCM(40128,40147) = 84790464

Least Common Multiple (LCM) of 40128 and 40147 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40128 and 40147. First we will calculate the prime factors of 40128 and 40147.

Prime Factorization of 40128

Prime Factorization of 40147

Now multiplying the highest exponent prime factors to calculate the LCM of 40128 and 40147.

LCM(40128,40147) = 2⁶ × 3¹ × 11¹ × 19¹ × 2113¹
LCM(40128,40147) = 84790464