What is the Least Common Multiple of 82705 and 82721?

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 82705 and 82721 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82705 and 82721, than apply into the LCM equation.

GCF(82705,82721) = 1
LCM(82705,82721) = ( 82705 × 82721) / 1
LCM(82705,82721) = 6841440305 / 1
LCM(82705,82721) = 6841440305

Least Common Multiple (LCM) of 82705 and 82721 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82705 and 82721. First we will calculate the prime factors of 82705 and 82721.

Prime Factorization of 82705

Prime Factorization of 82721

Now multiplying the highest exponent prime factors to calculate the LCM of 82705 and 82721.

LCM(82705,82721) = 5¹ × 7¹ × 17¹ × 139¹ × 82721¹
LCM(82705,82721) = 6841440305