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What is the Least Common Multiple of 57280 and 57289?

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 57280 and 57289 is 3281513920.

LCM(57280,57289) = 3281513920

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Least Common Multiple of 57280 and 57289 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57280 and 57289, than apply into the LCM equation.

GCF(57280,57289) = 1
LCM(57280,57289) = ( 57280 × 57289) / 1
LCM(57280,57289) = 3281513920 / 1
LCM(57280,57289) = 3281513920

Least Common Multiple (LCM) of 57280 and 57289 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57280 and 57289. First we will calculate the prime factors of 57280 and 57289.

Prime Factorization of 57280

Prime factors of 57280 are 2, 5, 179. Prime factorization of 57280 in exponential form is:

57280 = 26 × 51 × 1791

Prime Factorization of 57289

Prime factors of 57289 are 59, 971. Prime factorization of 57289 in exponential form is:

57289 = 591 × 9711

Now multiplying the highest exponent prime factors to calculate the LCM of 57280 and 57289.

LCM(57280,57289) = 26 × 51 × 1791 × 591 × 9711
LCM(57280,57289) = 3281513920