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What is the Least Common Multiple of 69381 and 69391?

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 69381 and 69391 is 4814416971.

LCM(69381,69391) = 4814416971

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Least Common Multiple of 69381 and 69391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69381 and 69391, than apply into the LCM equation.

GCF(69381,69391) = 1
LCM(69381,69391) = ( 69381 × 69391) / 1
LCM(69381,69391) = 4814416971 / 1
LCM(69381,69391) = 4814416971

Least Common Multiple (LCM) of 69381 and 69391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69381 and 69391. First we will calculate the prime factors of 69381 and 69391.

Prime Factorization of 69381

Prime factors of 69381 are 3, 13, 593. Prime factorization of 69381 in exponential form is:

69381 = 32 × 131 × 5931

Prime Factorization of 69391

Prime factors of 69391 are 7, 23, 431. Prime factorization of 69391 in exponential form is:

69391 = 71 × 231 × 4311

Now multiplying the highest exponent prime factors to calculate the LCM of 69381 and 69391.

LCM(69381,69391) = 32 × 131 × 5931 × 71 × 231 × 4311
LCM(69381,69391) = 4814416971