What is the Least Common Multiple of 42304 and 42317?

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 42304 and 42317 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42304 and 42317, than apply into the LCM equation.

GCF(42304,42317) = 1
LCM(42304,42317) = ( 42304 × 42317) / 1
LCM(42304,42317) = 1790178368 / 1
LCM(42304,42317) = 1790178368

Least Common Multiple (LCM) of 42304 and 42317 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42304 and 42317. First we will calculate the prime factors of 42304 and 42317.

Prime Factorization of 42304

Prime Factorization of 42317

Now multiplying the highest exponent prime factors to calculate the LCM of 42304 and 42317.

LCM(42304,42317) = 2⁶ × 661¹ × 11¹ × 3847¹
LCM(42304,42317) = 1790178368