What is the Least Common Multiple of 71305 and 71318?

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 71305 and 71318 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71305 and 71318, than apply into the LCM equation.

GCF(71305,71318) = 13
LCM(71305,71318) = ( 71305 × 71318) / 13
LCM(71305,71318) = 5085329990 / 13
LCM(71305,71318) = 391179230

Least Common Multiple (LCM) of 71305 and 71318 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71305 and 71318. First we will calculate the prime factors of 71305 and 71318.

Prime Factorization of 71305

Prime Factorization of 71318

Now multiplying the highest exponent prime factors to calculate the LCM of 71305 and 71318.

LCM(71305,71318) = 5¹ × 13² × 1097¹ × 2¹ × 211¹
LCM(71305,71318) = 391179230