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What is the Least Common Multiple of 33991 and 33999?

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 33991 and 33999 is 1155660009.

LCM(33991,33999) = 1155660009

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Least Common Multiple of 33991 and 33999 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 33991 and 33999, than apply into the LCM equation.

GCF(33991,33999) = 1
LCM(33991,33999) = ( 33991 × 33999) / 1
LCM(33991,33999) = 1155660009 / 1
LCM(33991,33999) = 1155660009

Least Common Multiple (LCM) of 33991 and 33999 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 33991 and 33999. First we will calculate the prime factors of 33991 and 33999.

Prime Factorization of 33991

Prime factors of 33991 are 19, 1789. Prime factorization of 33991 in exponential form is:

33991 = 191 × 17891

Prime Factorization of 33999

Prime factors of 33999 are 3, 7, 1619. Prime factorization of 33999 in exponential form is:

33999 = 31 × 71 × 16191

Now multiplying the highest exponent prime factors to calculate the LCM of 33991 and 33999.

LCM(33991,33999) = 191 × 17891 × 31 × 71 × 16191
LCM(33991,33999) = 1155660009