What is the Least Common Multiple of 13220 and 13231?

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 13220 and 13231 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13220 and 13231, than apply into the LCM equation.

GCF(13220,13231) = 1
LCM(13220,13231) = ( 13220 × 13231) / 1
LCM(13220,13231) = 174913820 / 1
LCM(13220,13231) = 174913820

Least Common Multiple (LCM) of 13220 and 13231 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13220 and 13231. First we will calculate the prime factors of 13220 and 13231.

Prime Factorization of 13220

Prime Factorization of 13231

Now multiplying the highest exponent prime factors to calculate the LCM of 13220 and 13231.

LCM(13220,13231) = 2² × 5¹ × 661¹ × 101¹ × 131¹
LCM(13220,13231) = 174913820