What is the Least Common Multiple of 51261 and 51280?

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 51261 and 51280 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51261 and 51280, than apply into the LCM equation.

GCF(51261,51280) = 1
LCM(51261,51280) = ( 51261 × 51280) / 1
LCM(51261,51280) = 2628664080 / 1
LCM(51261,51280) = 2628664080

Least Common Multiple (LCM) of 51261 and 51280 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51261 and 51280. First we will calculate the prime factors of 51261 and 51280.

Prime Factorization of 51261

Prime Factorization of 51280

Now multiplying the highest exponent prime factors to calculate the LCM of 51261 and 51280.

LCM(51261,51280) = 3¹ × 7¹ × 2441¹ × 2⁴ × 5¹ × 641¹
LCM(51261,51280) = 2628664080