What is the Least Common Multiple of 40160 and 40178?

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 40160 and 40178 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40160 and 40178, than apply into the LCM equation.

GCF(40160,40178) = 2
LCM(40160,40178) = ( 40160 × 40178) / 2
LCM(40160,40178) = 1613548480 / 2
LCM(40160,40178) = 806774240

Least Common Multiple (LCM) of 40160 and 40178 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40160 and 40178. First we will calculate the prime factors of 40160 and 40178.

Prime Factorization of 40160

Prime Factorization of 40178

Now multiplying the highest exponent prime factors to calculate the LCM of 40160 and 40178.

LCM(40160,40178) = 2⁵ × 5¹ × 251¹ × 20089¹
LCM(40160,40178) = 806774240