What is the Least Common Multiple of 65530 and 65539?

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 65530 and 65539 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65530 and 65539, than apply into the LCM equation.

GCF(65530,65539) = 1
LCM(65530,65539) = ( 65530 × 65539) / 1
LCM(65530,65539) = 4294770670 / 1
LCM(65530,65539) = 4294770670

Least Common Multiple (LCM) of 65530 and 65539 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65530 and 65539. First we will calculate the prime factors of 65530 and 65539.

Prime Factorization of 65530

Prime Factorization of 65539

Now multiplying the highest exponent prime factors to calculate the LCM of 65530 and 65539.

LCM(65530,65539) = 2¹ × 5¹ × 6553¹ × 65539¹
LCM(65530,65539) = 4294770670