What is the Least Common Multiple of 22145 and 22158?

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 22145 and 22158 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22145 and 22158, than apply into the LCM equation.

GCF(22145,22158) = 1
LCM(22145,22158) = ( 22145 × 22158) / 1
LCM(22145,22158) = 490688910 / 1
LCM(22145,22158) = 490688910

Least Common Multiple (LCM) of 22145 and 22158 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22145 and 22158. First we will calculate the prime factors of 22145 and 22158.

Prime Factorization of 22145

Prime Factorization of 22158

Now multiplying the highest exponent prime factors to calculate the LCM of 22145 and 22158.

LCM(22145,22158) = 5¹ × 43¹ × 103¹ × 2¹ × 3² × 1231¹
LCM(22145,22158) = 490688910