What is the Least Common Multiple of 65537 and 65557?

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 65537 and 65557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65537 and 65557, than apply into the LCM equation.

GCF(65537,65557) = 1
LCM(65537,65557) = ( 65537 × 65557) / 1
LCM(65537,65557) = 4296409109 / 1
LCM(65537,65557) = 4296409109

Least Common Multiple (LCM) of 65537 and 65557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65537 and 65557. First we will calculate the prime factors of 65537 and 65557.

Prime Factorization of 65537

Prime Factorization of 65557

Now multiplying the highest exponent prime factors to calculate the LCM of 65537 and 65557.

LCM(65537,65557) = 65537¹ × 65557¹
LCM(65537,65557) = 4296409109