What is the Least Common Multiple of 20235 and 20255?

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 20235 and 20255 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20235 and 20255, than apply into the LCM equation.

GCF(20235,20255) = 5
LCM(20235,20255) = ( 20235 × 20255) / 5
LCM(20235,20255) = 409859925 / 5
LCM(20235,20255) = 81971985

Least Common Multiple (LCM) of 20235 and 20255 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20235 and 20255. First we will calculate the prime factors of 20235 and 20255.

Prime Factorization of 20235

Prime Factorization of 20255

Now multiplying the highest exponent prime factors to calculate the LCM of 20235 and 20255.

LCM(20235,20255) = 3¹ × 5¹ × 19¹ × 71¹ × 4051¹
LCM(20235,20255) = 81971985