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What is the Least Common Multiple of 71385 and 71398?

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 71385 and 71398 is 5096746230.

LCM(71385,71398) = 5096746230

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Least Common Multiple of 71385 and 71398 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71385 and 71398, than apply into the LCM equation.

GCF(71385,71398) = 1
LCM(71385,71398) = ( 71385 × 71398) / 1
LCM(71385,71398) = 5096746230 / 1
LCM(71385,71398) = 5096746230

Least Common Multiple (LCM) of 71385 and 71398 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71385 and 71398. First we will calculate the prime factors of 71385 and 71398.

Prime Factorization of 71385

Prime factors of 71385 are 3, 5, 4759. Prime factorization of 71385 in exponential form is:

71385 = 31 × 51 × 47591

Prime Factorization of 71398

Prime factors of 71398 are 2, 29, 1231. Prime factorization of 71398 in exponential form is:

71398 = 21 × 291 × 12311

Now multiplying the highest exponent prime factors to calculate the LCM of 71385 and 71398.

LCM(71385,71398) = 31 × 51 × 47591 × 21 × 291 × 12311
LCM(71385,71398) = 5096746230