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What is the Least Common Multiple of 57408 and 57415?

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 57408 and 57415 is 3296080320.

LCM(57408,57415) = 3296080320

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Least Common Multiple of 57408 and 57415 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57408 and 57415, than apply into the LCM equation.

GCF(57408,57415) = 1
LCM(57408,57415) = ( 57408 × 57415) / 1
LCM(57408,57415) = 3296080320 / 1
LCM(57408,57415) = 3296080320

Least Common Multiple (LCM) of 57408 and 57415 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57408 and 57415. First we will calculate the prime factors of 57408 and 57415.

Prime Factorization of 57408

Prime factors of 57408 are 2, 3, 13, 23. Prime factorization of 57408 in exponential form is:

57408 = 26 × 31 × 131 × 231

Prime Factorization of 57415

Prime factors of 57415 are 5, 11483. Prime factorization of 57415 in exponential form is:

57415 = 51 × 114831

Now multiplying the highest exponent prime factors to calculate the LCM of 57408 and 57415.

LCM(57408,57415) = 26 × 31 × 131 × 231 × 51 × 114831
LCM(57408,57415) = 3296080320