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What is the Least Common Multiple of 74409 and 74427?

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 74409 and 74427 is 1846012881.

LCM(74409,74427) = 1846012881

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Least Common Multiple of 74409 and 74427 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74409 and 74427, than apply into the LCM equation.

GCF(74409,74427) = 3
LCM(74409,74427) = ( 74409 × 74427) / 3
LCM(74409,74427) = 5538038643 / 3
LCM(74409,74427) = 1846012881

Least Common Multiple (LCM) of 74409 and 74427 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74409 and 74427. First we will calculate the prime factors of 74409 and 74427.

Prime Factorization of 74409

Prime factors of 74409 are 3, 17, 1459. Prime factorization of 74409 in exponential form is:

74409 = 31 × 171 × 14591

Prime Factorization of 74427

Prime factors of 74427 are 3, 24809. Prime factorization of 74427 in exponential form is:

74427 = 31 × 248091

Now multiplying the highest exponent prime factors to calculate the LCM of 74409 and 74427.

LCM(74409,74427) = 31 × 171 × 14591 × 248091
LCM(74409,74427) = 1846012881