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What is the Least Common Multiple of 26380 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 (LCM) of 26380 and 26398 is 348189620.

LCM(26380,26398) = 348189620

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Least Common Multiple of 26380 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 26380 and 26398, than apply into the LCM equation.

GCF(26380,26398) = 2
LCM(26380,26398) = ( 26380 × 26398) / 2
LCM(26380,26398) = 696379240 / 2
LCM(26380,26398) = 348189620

Least Common Multiple (LCM) of 26380 and 26398 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26380 and 26398. First we will calculate the prime factors of 26380 and 26398.

Prime Factorization of 26380

Prime factors of 26380 are 2, 5, 1319. Prime factorization of 26380 in exponential form is:

26380 = 22 × 51 × 13191

Prime Factorization of 26398

Prime factors of 26398 are 2, 67, 197. Prime factorization of 26398 in exponential form is:

26398 = 21 × 671 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 26380 and 26398.

LCM(26380,26398) = 22 × 51 × 13191 × 671 × 1971
LCM(26380,26398) = 348189620