What is the Least Common Multiple of 81236 and 81256?

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 81236 and 81256 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81236 and 81256, than apply into the LCM equation.

GCF(81236,81256) = 4
LCM(81236,81256) = ( 81236 × 81256) / 4
LCM(81236,81256) = 6600912416 / 4
LCM(81236,81256) = 1650228104

Least Common Multiple (LCM) of 81236 and 81256 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81236 and 81256. First we will calculate the prime factors of 81236 and 81256.

Prime Factorization of 81236

Prime Factorization of 81256

Now multiplying the highest exponent prime factors to calculate the LCM of 81236 and 81256.

LCM(81236,81256) = 2³ × 23¹ × 883¹ × 7¹ × 1451¹
LCM(81236,81256) = 1650228104