What is the Least Common Multiple of 78247 and 78263?

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 78247 and 78263 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78247 and 78263, than apply into the LCM equation.

GCF(78247,78263) = 1
LCM(78247,78263) = ( 78247 × 78263) / 1
LCM(78247,78263) = 6123844961 / 1
LCM(78247,78263) = 6123844961

Least Common Multiple (LCM) of 78247 and 78263 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78247 and 78263. First we will calculate the prime factors of 78247 and 78263.

Prime Factorization of 78247

Prime Factorization of 78263

Now multiplying the highest exponent prime factors to calculate the LCM of 78247 and 78263.

LCM(78247,78263) = 13² × 463¹ × 61¹ × 1283¹
LCM(78247,78263) = 6123844961