What is the Least Common Multiple of 26431 and 26438?

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 26431 and 26438 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26431 and 26438, than apply into the LCM equation.

GCF(26431,26438) = 1
LCM(26431,26438) = ( 26431 × 26438) / 1
LCM(26431,26438) = 698782778 / 1
LCM(26431,26438) = 698782778

Least Common Multiple (LCM) of 26431 and 26438 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26431 and 26438. First we will calculate the prime factors of 26431 and 26438.

Prime Factorization of 26431

Prime Factorization of 26438

Now multiplying the highest exponent prime factors to calculate the LCM of 26431 and 26438.

LCM(26431,26438) = 26431¹ × 2¹ × 13219¹
LCM(26431,26438) = 698782778