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What is the Least Common Multiple of 57981 and 57985?

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 57981 and 57985 is 3362028285.

LCM(57981,57985) = 3362028285

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Least Common Multiple of 57981 and 57985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57981 and 57985, than apply into the LCM equation.

GCF(57981,57985) = 1
LCM(57981,57985) = ( 57981 × 57985) / 1
LCM(57981,57985) = 3362028285 / 1
LCM(57981,57985) = 3362028285

Least Common Multiple (LCM) of 57981 and 57985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57981 and 57985. First we will calculate the prime factors of 57981 and 57985.

Prime Factorization of 57981

Prime factors of 57981 are 3, 7, 11, 251. Prime factorization of 57981 in exponential form is:

57981 = 31 × 71 × 111 × 2511

Prime Factorization of 57985

Prime factors of 57985 are 5, 11597. Prime factorization of 57985 in exponential form is:

57985 = 51 × 115971

Now multiplying the highest exponent prime factors to calculate the LCM of 57981 and 57985.

LCM(57981,57985) = 31 × 71 × 111 × 2511 × 51 × 115971
LCM(57981,57985) = 3362028285