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What is the Least Common Multiple of 69391 and 69402?

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 69402 is 4815874182.

LCM(69391,69402) = 4815874182

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Least Common Multiple of 69391 and 69402 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 69402, than apply into the LCM equation.

GCF(69391,69402) = 1
LCM(69391,69402) = ( 69391 × 69402) / 1
LCM(69391,69402) = 4815874182 / 1
LCM(69391,69402) = 4815874182

Least Common Multiple (LCM) of 69391 and 69402 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69391 and 69402. First we will calculate the prime factors of 69391 and 69402.

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 69402

Prime factors of 69402 are 2, 3, 43, 269. Prime factorization of 69402 in exponential form is:

69402 = 21 × 31 × 431 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 69391 and 69402.

LCM(69391,69402) = 71 × 231 × 4311 × 21 × 31 × 431 × 2691
LCM(69391,69402) = 4815874182