What is the Least Common Multiple of 83509 and 83521?

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 83509 and 83521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83509 and 83521, than apply into the LCM equation.

GCF(83509,83521) = 1
LCM(83509,83521) = ( 83509 × 83521) / 1
LCM(83509,83521) = 6974755189 / 1
LCM(83509,83521) = 6974755189

Least Common Multiple (LCM) of 83509 and 83521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83509 and 83521. First we will calculate the prime factors of 83509 and 83521.

Prime Factorization of 83509

Prime Factorization of 83521

Now multiplying the highest exponent prime factors to calculate the LCM of 83509 and 83521.

LCM(83509,83521) = 37² × 61¹ × 17⁴
LCM(83509,83521) = 6974755189