What is the Least Common Multiple of 65665 and 65678?

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 65665 and 65678 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65665 and 65678, than apply into the LCM equation.

GCF(65665,65678) = 1
LCM(65665,65678) = ( 65665 × 65678) / 1
LCM(65665,65678) = 4312745870 / 1
LCM(65665,65678) = 4312745870

Least Common Multiple (LCM) of 65665 and 65678 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65665 and 65678. First we will calculate the prime factors of 65665 and 65678.

Prime Factorization of 65665

Prime Factorization of 65678

Now multiplying the highest exponent prime factors to calculate the LCM of 65665 and 65678.

LCM(65665,65678) = 5¹ × 23¹ × 571¹ × 2¹ × 32839¹
LCM(65665,65678) = 4312745870