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What is the Least Common Multiple of 57404 and 57421?

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 57404 and 57421 is 3296195084.

LCM(57404,57421) = 3296195084

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Least Common Multiple of 57404 and 57421 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57404 and 57421, than apply into the LCM equation.

GCF(57404,57421) = 1
LCM(57404,57421) = ( 57404 × 57421) / 1
LCM(57404,57421) = 3296195084 / 1
LCM(57404,57421) = 3296195084

Least Common Multiple (LCM) of 57404 and 57421 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57404 and 57421. First we will calculate the prime factors of 57404 and 57421.

Prime Factorization of 57404

Prime factors of 57404 are 2, 113, 127. Prime factorization of 57404 in exponential form is:

57404 = 22 × 1131 × 1271

Prime Factorization of 57421

Prime factors of 57421 are 7, 13, 631. Prime factorization of 57421 in exponential form is:

57421 = 71 × 131 × 6311

Now multiplying the highest exponent prime factors to calculate the LCM of 57404 and 57421.

LCM(57404,57421) = 22 × 1131 × 1271 × 71 × 131 × 6311
LCM(57404,57421) = 3296195084