What is the Least Common Multiple of 78221 and 78231?

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 78221 and 78231 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78221 and 78231, than apply into the LCM equation.

GCF(78221,78231) = 1
LCM(78221,78231) = ( 78221 × 78231) / 1
LCM(78221,78231) = 6119307051 / 1
LCM(78221,78231) = 6119307051

Least Common Multiple (LCM) of 78221 and 78231 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78221 and 78231. First we will calculate the prime factors of 78221 and 78231.

Prime Factorization of 78221

Prime Factorization of 78231

Now multiplying the highest exponent prime factors to calculate the LCM of 78221 and 78231.

LCM(78221,78231) = 11¹ × 13¹ × 547¹ × 3¹ × 89¹ × 293¹
LCM(78221,78231) = 6119307051