What is the Least Common Multiple of 65239 and 65243?

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 65239 and 65243 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65239 and 65243, than apply into the LCM equation.

GCF(65239,65243) = 1
LCM(65239,65243) = ( 65239 × 65243) / 1
LCM(65239,65243) = 4256388077 / 1
LCM(65239,65243) = 4256388077

Least Common Multiple (LCM) of 65239 and 65243 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65239 and 65243. First we will calculate the prime factors of 65239 and 65243.

Prime Factorization of 65239

Prime Factorization of 65243

Now multiplying the highest exponent prime factors to calculate the LCM of 65239 and 65243.

LCM(65239,65243) = 65239¹ × 53¹ × 1231¹
LCM(65239,65243) = 4256388077