What is the Least Common Multiple of 65590 and 65605?

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 65590 and 65605 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65590 and 65605, than apply into the LCM equation.

GCF(65590,65605) = 5
LCM(65590,65605) = ( 65590 × 65605) / 5
LCM(65590,65605) = 4303031950 / 5
LCM(65590,65605) = 860606390

Least Common Multiple (LCM) of 65590 and 65605 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65590 and 65605. First we will calculate the prime factors of 65590 and 65605.

Prime Factorization of 65590

Prime Factorization of 65605

Now multiplying the highest exponent prime factors to calculate the LCM of 65590 and 65605.

LCM(65590,65605) = 2¹ × 5¹ × 7¹ × 937¹ × 13121¹
LCM(65590,65605) = 860606390