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What is the Least Common Multiple of 57040 and 57054?

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 57040 and 57054 is 1627180080.

LCM(57040,57054) = 1627180080

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Least Common Multiple of 57040 and 57054 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57040 and 57054, than apply into the LCM equation.

GCF(57040,57054) = 2
LCM(57040,57054) = ( 57040 × 57054) / 2
LCM(57040,57054) = 3254360160 / 2
LCM(57040,57054) = 1627180080

Least Common Multiple (LCM) of 57040 and 57054 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57040 and 57054. First we will calculate the prime factors of 57040 and 57054.

Prime Factorization of 57040

Prime factors of 57040 are 2, 5, 23, 31. Prime factorization of 57040 in exponential form is:

57040 = 24 × 51 × 231 × 311

Prime Factorization of 57054

Prime factors of 57054 are 2, 3, 37, 257. Prime factorization of 57054 in exponential form is:

57054 = 21 × 31 × 371 × 2571

Now multiplying the highest exponent prime factors to calculate the LCM of 57040 and 57054.

LCM(57040,57054) = 24 × 51 × 231 × 311 × 31 × 371 × 2571
LCM(57040,57054) = 1627180080