What is the Least Common Multiple of 72217 and 72223?

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 72217 and 72223 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72217 and 72223, than apply into the LCM equation.

GCF(72217,72223) = 1
LCM(72217,72223) = ( 72217 × 72223) / 1
LCM(72217,72223) = 5215728391 / 1
LCM(72217,72223) = 5215728391

Least Common Multiple (LCM) of 72217 and 72223 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72217 and 72223. First we will calculate the prime factors of 72217 and 72223.

Prime Factorization of 72217

Prime Factorization of 72223

Now multiplying the highest exponent prime factors to calculate the LCM of 72217 and 72223.

LCM(72217,72223) = 257¹ × 281¹ × 72223¹
LCM(72217,72223) = 5215728391