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What is the Least Common Multiple of 30991 and 30996?

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 30991 and 30996 is 960597036.

LCM(30991,30996) = 960597036

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Least Common Multiple of 30991 and 30996 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30991 and 30996, than apply into the LCM equation.

GCF(30991,30996) = 1
LCM(30991,30996) = ( 30991 × 30996) / 1
LCM(30991,30996) = 960597036 / 1
LCM(30991,30996) = 960597036

Least Common Multiple (LCM) of 30991 and 30996 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30991 and 30996. First we will calculate the prime factors of 30991 and 30996.

Prime Factorization of 30991

Prime factors of 30991 are 17, 1823. Prime factorization of 30991 in exponential form is:

30991 = 171 × 18231

Prime Factorization of 30996

Prime factors of 30996 are 2, 3, 7, 41. Prime factorization of 30996 in exponential form is:

30996 = 22 × 33 × 71 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 30991 and 30996.

LCM(30991,30996) = 171 × 18231 × 22 × 33 × 71 × 411
LCM(30991,30996) = 960597036