What is the Least Common Multiple of 26781 and 26790?

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 26781 and 26790 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26781 and 26790, than apply into the LCM equation.

GCF(26781,26790) = 3
LCM(26781,26790) = ( 26781 × 26790) / 3
LCM(26781,26790) = 717462990 / 3
LCM(26781,26790) = 239154330

Least Common Multiple (LCM) of 26781 and 26790 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26781 and 26790. First we will calculate the prime factors of 26781 and 26790.

Prime Factorization of 26781

Prime Factorization of 26790

Now multiplying the highest exponent prime factors to calculate the LCM of 26781 and 26790.

LCM(26781,26790) = 3¹ × 79¹ × 113¹ × 2¹ × 5¹ × 19¹ × 47¹
LCM(26781,26790) = 239154330