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What is the Least Common Multiple of 92405 and 92421?

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 92405 and 92421 is 8540162505.

LCM(92405,92421) = 8540162505

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Least Common Multiple of 92405 and 92421 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 92405 and 92421, than apply into the LCM equation.

GCF(92405,92421) = 1
LCM(92405,92421) = ( 92405 × 92421) / 1
LCM(92405,92421) = 8540162505 / 1
LCM(92405,92421) = 8540162505

Least Common Multiple (LCM) of 92405 and 92421 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 92405 and 92421. First we will calculate the prime factors of 92405 and 92421.

Prime Factorization of 92405

Prime factors of 92405 are 5, 18481. Prime factorization of 92405 in exponential form is:

92405 = 51 × 184811

Prime Factorization of 92421

Prime factors of 92421 are 3, 7, 163. Prime factorization of 92421 in exponential form is:

92421 = 34 × 71 × 1631

Now multiplying the highest exponent prime factors to calculate the LCM of 92405 and 92421.

LCM(92405,92421) = 51 × 184811 × 34 × 71 × 1631
LCM(92405,92421) = 8540162505