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What is the Least Common Multiple of 57981 and 58001?

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 58001 is 3362955981.

LCM(57981,58001) = 3362955981

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Least Common Multiple of 57981 and 58001 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 58001, than apply into the LCM equation.

GCF(57981,58001) = 1
LCM(57981,58001) = ( 57981 × 58001) / 1
LCM(57981,58001) = 3362955981 / 1
LCM(57981,58001) = 3362955981

Least Common Multiple (LCM) of 57981 and 58001 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57981 and 58001. First we will calculate the prime factors of 57981 and 58001.

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 58001

Prime factors of 58001 are 31, 1871. Prime factorization of 58001 in exponential form is:

58001 = 311 × 18711

Now multiplying the highest exponent prime factors to calculate the LCM of 57981 and 58001.

LCM(57981,58001) = 31 × 71 × 111 × 2511 × 311 × 18711
LCM(57981,58001) = 3362955981