What is the Least Common Multiple of 8509 and 8517?

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 8509 and 8517 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8509 and 8517, than apply into the LCM equation.

GCF(8509,8517) = 1
LCM(8509,8517) = ( 8509 × 8517) / 1
LCM(8509,8517) = 72471153 / 1
LCM(8509,8517) = 72471153

Least Common Multiple (LCM) of 8509 and 8517 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8509 and 8517. First we will calculate the prime factors of 8509 and 8517.

Prime Factorization of 8509

Prime Factorization of 8517

Now multiplying the highest exponent prime factors to calculate the LCM of 8509 and 8517.

LCM(8509,8517) = 67¹ × 127¹ × 3¹ × 17¹ × 167¹
LCM(8509,8517) = 72471153