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What is the Least Common Multiple of 57278 and 57285?

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 57278 and 57285 is 3281170230.

LCM(57278,57285) = 3281170230

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Least Common Multiple of 57278 and 57285 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57278 and 57285, than apply into the LCM equation.

GCF(57278,57285) = 1
LCM(57278,57285) = ( 57278 × 57285) / 1
LCM(57278,57285) = 3281170230 / 1
LCM(57278,57285) = 3281170230

Least Common Multiple (LCM) of 57278 and 57285 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57278 and 57285. First we will calculate the prime factors of 57278 and 57285.

Prime Factorization of 57278

Prime factors of 57278 are 2, 13, 2203. Prime factorization of 57278 in exponential form is:

57278 = 21 × 131 × 22031

Prime Factorization of 57285

Prime factors of 57285 are 3, 5, 19, 67. Prime factorization of 57285 in exponential form is:

57285 = 32 × 51 × 191 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 57278 and 57285.

LCM(57278,57285) = 21 × 131 × 22031 × 32 × 51 × 191 × 671
LCM(57278,57285) = 3281170230