What is the Least Common Multiple of 22478 and 22486?

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 22478 and 22486 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22478 and 22486, than apply into the LCM equation.

GCF(22478,22486) = 2
LCM(22478,22486) = ( 22478 × 22486) / 2
LCM(22478,22486) = 505440308 / 2
LCM(22478,22486) = 252720154

Least Common Multiple (LCM) of 22478 and 22486 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22478 and 22486. First we will calculate the prime factors of 22478 and 22486.

Prime Factorization of 22478

Prime Factorization of 22486

Now multiplying the highest exponent prime factors to calculate the LCM of 22478 and 22486.

LCM(22478,22486) = 2¹ × 11239¹ × 11243¹
LCM(22478,22486) = 252720154