What is the Least Common Multiple of 83561 and 83581?

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 83561 and 83581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83561 and 83581, than apply into the LCM equation.

GCF(83561,83581) = 1
LCM(83561,83581) = ( 83561 × 83581) / 1
LCM(83561,83581) = 6984111941 / 1
LCM(83561,83581) = 6984111941

Least Common Multiple (LCM) of 83561 and 83581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83561 and 83581. First we will calculate the prime factors of 83561 and 83581.

Prime Factorization of 83561

Prime Factorization of 83581

Now multiplying the highest exponent prime factors to calculate the LCM of 83561 and 83581.

LCM(83561,83581) = 83561¹ × 19¹ × 53¹ × 83¹
LCM(83561,83581) = 6984111941