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What is the Least Common Multiple of 5981 and 5985?

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 5981 and 5985 is 35796285.

LCM(5981,5985) = 35796285

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Least Common Multiple of 5981 and 5985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5981 and 5985, than apply into the LCM equation.

GCF(5981,5985) = 1
LCM(5981,5985) = ( 5981 × 5985) / 1
LCM(5981,5985) = 35796285 / 1
LCM(5981,5985) = 35796285

Least Common Multiple (LCM) of 5981 and 5985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5981 and 5985. First we will calculate the prime factors of 5981 and 5985.

Prime Factorization of 5981

Prime factors of 5981 are 5981. Prime factorization of 5981 in exponential form is:

5981 = 59811

Prime Factorization of 5985

Prime factors of 5985 are 3, 5, 7, 19. Prime factorization of 5985 in exponential form is:

5985 = 32 × 51 × 71 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 5981 and 5985.

LCM(5981,5985) = 59811 × 32 × 51 × 71 × 191
LCM(5981,5985) = 35796285