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What is the Least Common Multiple of 74391 and 74403?

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 74391 and 74403 is 1844971191.

LCM(74391,74403) = 1844971191

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Least Common Multiple of 74391 and 74403 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74391 and 74403, than apply into the LCM equation.

GCF(74391,74403) = 3
LCM(74391,74403) = ( 74391 × 74403) / 3
LCM(74391,74403) = 5534913573 / 3
LCM(74391,74403) = 1844971191

Least Common Multiple (LCM) of 74391 and 74403 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74391 and 74403. First we will calculate the prime factors of 74391 and 74403.

Prime Factorization of 74391

Prime factors of 74391 are 3, 137, 181. Prime factorization of 74391 in exponential form is:

74391 = 31 × 1371 × 1811

Prime Factorization of 74403

Prime factors of 74403 are 3, 7, 1181. Prime factorization of 74403 in exponential form is:

74403 = 32 × 71 × 11811

Now multiplying the highest exponent prime factors to calculate the LCM of 74391 and 74403.

LCM(74391,74403) = 32 × 1371 × 1811 × 71 × 11811
LCM(74391,74403) = 1844971191