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What is the Least Common Multiple of 31787 and 31803?

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 31787 and 31803 is 1010921961.

LCM(31787,31803) = 1010921961

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Least Common Multiple of 31787 and 31803 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31787 and 31803, than apply into the LCM equation.

GCF(31787,31803) = 1
LCM(31787,31803) = ( 31787 × 31803) / 1
LCM(31787,31803) = 1010921961 / 1
LCM(31787,31803) = 1010921961

Least Common Multiple (LCM) of 31787 and 31803 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31787 and 31803. First we will calculate the prime factors of 31787 and 31803.

Prime Factorization of 31787

Prime factors of 31787 are 7, 19, 239. Prime factorization of 31787 in exponential form is:

31787 = 71 × 191 × 2391

Prime Factorization of 31803

Prime factors of 31803 are 3, 10601. Prime factorization of 31803 in exponential form is:

31803 = 31 × 106011

Now multiplying the highest exponent prime factors to calculate the LCM of 31787 and 31803.

LCM(31787,31803) = 71 × 191 × 2391 × 31 × 106011
LCM(31787,31803) = 1010921961