What is the Least Common Multiple of 12280 and 12287?

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 12280 and 12287 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12280 and 12287, than apply into the LCM equation.

GCF(12280,12287) = 1
LCM(12280,12287) = ( 12280 × 12287) / 1
LCM(12280,12287) = 150884360 / 1
LCM(12280,12287) = 150884360

Least Common Multiple (LCM) of 12280 and 12287 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12280 and 12287. First we will calculate the prime factors of 12280 and 12287.

Prime Factorization of 12280

Prime Factorization of 12287

Now multiplying the highest exponent prime factors to calculate the LCM of 12280 and 12287.

LCM(12280,12287) = 2³ × 5¹ × 307¹ × 11¹ × 1117¹
LCM(12280,12287) = 150884360