What is the Least Common Multiple of 51781 and 51785?

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 51781 and 51785 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51781 and 51785, than apply into the LCM equation.

GCF(51781,51785) = 1
LCM(51781,51785) = ( 51781 × 51785) / 1
LCM(51781,51785) = 2681479085 / 1
LCM(51781,51785) = 2681479085

Least Common Multiple (LCM) of 51781 and 51785 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51781 and 51785. First we will calculate the prime factors of 51781 and 51785.

Prime Factorization of 51781

Prime Factorization of 51785

Now multiplying the highest exponent prime factors to calculate the LCM of 51781 and 51785.

LCM(51781,51785) = 53¹ × 977¹ × 5¹ × 10357¹
LCM(51781,51785) = 2681479085