What is the Least Common Multiple of 26390 and 26398?

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 26390 and 26398 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26390 and 26398, than apply into the LCM equation.

GCF(26390,26398) = 2
LCM(26390,26398) = ( 26390 × 26398) / 2
LCM(26390,26398) = 696643220 / 2
LCM(26390,26398) = 348321610

Least Common Multiple (LCM) of 26390 and 26398 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26390 and 26398. First we will calculate the prime factors of 26390 and 26398.

Prime Factorization of 26390

Prime Factorization of 26398

Now multiplying the highest exponent prime factors to calculate the LCM of 26390 and 26398.

LCM(26390,26398) = 2¹ × 5¹ × 7¹ × 13¹ × 29¹ × 67¹ × 197¹
LCM(26390,26398) = 348321610