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What is the Least Common Multiple of 74391 and 74397?

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 74397 is 1844822409.

LCM(74391,74397) = 1844822409

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Least Common Multiple of 74391 and 74397 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 74397, than apply into the LCM equation.

GCF(74391,74397) = 3
LCM(74391,74397) = ( 74391 × 74397) / 3
LCM(74391,74397) = 5534467227 / 3
LCM(74391,74397) = 1844822409

Least Common Multiple (LCM) of 74391 and 74397 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74391 and 74397. First we will calculate the prime factors of 74391 and 74397.

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 74397

Prime factors of 74397 are 3, 24799. Prime factorization of 74397 in exponential form is:

74397 = 31 × 247991

Now multiplying the highest exponent prime factors to calculate the LCM of 74391 and 74397.

LCM(74391,74397) = 31 × 1371 × 1811 × 247991
LCM(74391,74397) = 1844822409