What is the Least Common Multiple of 87309 and 87317?

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 87309 and 87317 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87309 and 87317, than apply into the LCM equation.

GCF(87309,87317) = 1
LCM(87309,87317) = ( 87309 × 87317) / 1
LCM(87309,87317) = 7623559953 / 1
LCM(87309,87317) = 7623559953

Least Common Multiple (LCM) of 87309 and 87317 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87309 and 87317. First we will calculate the prime factors of 87309 and 87317.

Prime Factorization of 87309

Prime Factorization of 87317

Now multiplying the highest exponent prime factors to calculate the LCM of 87309 and 87317.

LCM(87309,87317) = 3² × 89¹ × 109¹ × 87317¹
LCM(87309,87317) = 7623559953