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What is the Least Common Multiple of 83378 and 83391?

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 83378 and 83391 is 6952974798.

LCM(83378,83391) = 6952974798

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Least Common Multiple of 83378 and 83391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83378 and 83391, than apply into the LCM equation.

GCF(83378,83391) = 1
LCM(83378,83391) = ( 83378 × 83391) / 1
LCM(83378,83391) = 6952974798 / 1
LCM(83378,83391) = 6952974798

Least Common Multiple (LCM) of 83378 and 83391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83378 and 83391. First we will calculate the prime factors of 83378 and 83391.

Prime Factorization of 83378

Prime factors of 83378 are 2, 47, 887. Prime factorization of 83378 in exponential form is:

83378 = 21 × 471 × 8871

Prime Factorization of 83391

Prime factors of 83391 are 3, 7, 11, 19. Prime factorization of 83391 in exponential form is:

83391 = 31 × 71 × 111 × 192

Now multiplying the highest exponent prime factors to calculate the LCM of 83378 and 83391.

LCM(83378,83391) = 21 × 471 × 8871 × 31 × 71 × 111 × 192
LCM(83378,83391) = 6952974798