What is the Least Common Multiple of 65121 and 65136?

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 65121 and 65136 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65121 and 65136, than apply into the LCM equation.

GCF(65121,65136) = 3
LCM(65121,65136) = ( 65121 × 65136) / 3
LCM(65121,65136) = 4241721456 / 3
LCM(65121,65136) = 1413907152

Least Common Multiple (LCM) of 65121 and 65136 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65121 and 65136. First we will calculate the prime factors of 65121 and 65136.

Prime Factorization of 65121

Prime Factorization of 65136

Now multiplying the highest exponent prime factors to calculate the LCM of 65121 and 65136.

LCM(65121,65136) = 3¹ × 7² × 443¹ × 2⁴ × 23¹ × 59¹
LCM(65121,65136) = 1413907152