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What is the Least Common Multiple of 68404 and 68417?

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 68404 and 68417 is 4679996468.

LCM(68404,68417) = 4679996468

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Least Common Multiple of 68404 and 68417 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68404 and 68417, than apply into the LCM equation.

GCF(68404,68417) = 1
LCM(68404,68417) = ( 68404 × 68417) / 1
LCM(68404,68417) = 4679996468 / 1
LCM(68404,68417) = 4679996468

Least Common Multiple (LCM) of 68404 and 68417 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68404 and 68417. First we will calculate the prime factors of 68404 and 68417.

Prime Factorization of 68404

Prime factors of 68404 are 2, 7, 349. Prime factorization of 68404 in exponential form is:

68404 = 22 × 72 × 3491

Prime Factorization of 68417

Prime factors of 68417 are 31, 2207. Prime factorization of 68417 in exponential form is:

68417 = 311 × 22071

Now multiplying the highest exponent prime factors to calculate the LCM of 68404 and 68417.

LCM(68404,68417) = 22 × 72 × 3491 × 311 × 22071
LCM(68404,68417) = 4679996468