What is the Least Common Multiple of 13243 and 13247?

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 13243 and 13247 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13243 and 13247, than apply into the LCM equation.

GCF(13243,13247) = 1
LCM(13243,13247) = ( 13243 × 13247) / 1
LCM(13243,13247) = 175430021 / 1
LCM(13243,13247) = 175430021

Least Common Multiple (LCM) of 13243 and 13247 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13243 and 13247. First we will calculate the prime factors of 13243 and 13247.

Prime Factorization of 13243

Prime Factorization of 13247

Now multiplying the highest exponent prime factors to calculate the LCM of 13243 and 13247.

LCM(13243,13247) = 17¹ × 19¹ × 41¹ × 13¹ × 1019¹
LCM(13243,13247) = 175430021