What is the Least Common Multiple of 78234 and 78247?

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 78234 and 78247 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78234 and 78247, than apply into the LCM equation.

GCF(78234,78247) = 13
LCM(78234,78247) = ( 78234 × 78247) / 13
LCM(78234,78247) = 6121575798 / 13
LCM(78234,78247) = 470890446

Least Common Multiple (LCM) of 78234 and 78247 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78234 and 78247. First we will calculate the prime factors of 78234 and 78247.

Prime Factorization of 78234

Prime Factorization of 78247

Now multiplying the highest exponent prime factors to calculate the LCM of 78234 and 78247.

LCM(78234,78247) = 2¹ × 3¹ × 13² × 17¹ × 59¹ × 463¹
LCM(78234,78247) = 470890446