What is the Least Common Multiple of 40281 and 40285?

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 40281 and 40285 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40281 and 40285, than apply into the LCM equation.

GCF(40281,40285) = 1
LCM(40281,40285) = ( 40281 × 40285) / 1
LCM(40281,40285) = 1622720085 / 1
LCM(40281,40285) = 1622720085

Least Common Multiple (LCM) of 40281 and 40285 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40281 and 40285. First we will calculate the prime factors of 40281 and 40285.

Prime Factorization of 40281

Prime Factorization of 40285

Now multiplying the highest exponent prime factors to calculate the LCM of 40281 and 40285.

LCM(40281,40285) = 3¹ × 29¹ × 463¹ × 5¹ × 7¹ × 1151¹
LCM(40281,40285) = 1622720085