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What is the Least Common Multiple of 69391 and 69406?

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 69391 and 69406 is 4816151746.

LCM(69391,69406) = 4816151746

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Least Common Multiple of 69391 and 69406 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69391 and 69406, than apply into the LCM equation.

GCF(69391,69406) = 1
LCM(69391,69406) = ( 69391 × 69406) / 1
LCM(69391,69406) = 4816151746 / 1
LCM(69391,69406) = 4816151746

Least Common Multiple (LCM) of 69391 and 69406 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69391 and 69406. First we will calculate the prime factors of 69391 and 69406.

Prime Factorization of 69391

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

69391 = 71 × 231 × 4311

Prime Factorization of 69406

Prime factors of 69406 are 2, 34703. Prime factorization of 69406 in exponential form is:

69406 = 21 × 347031

Now multiplying the highest exponent prime factors to calculate the LCM of 69391 and 69406.

LCM(69391,69406) = 71 × 231 × 4311 × 21 × 347031
LCM(69391,69406) = 4816151746