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What is the Least Common Multiple of 17787 and 17803?

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 17787 and 17803 is 316661961.

LCM(17787,17803) = 316661961

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Least Common Multiple of 17787 and 17803 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17787 and 17803, than apply into the LCM equation.

GCF(17787,17803) = 1
LCM(17787,17803) = ( 17787 × 17803) / 1
LCM(17787,17803) = 316661961 / 1
LCM(17787,17803) = 316661961

Least Common Multiple (LCM) of 17787 and 17803 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17787 and 17803. First we will calculate the prime factors of 17787 and 17803.

Prime Factorization of 17787

Prime factors of 17787 are 3, 7, 11. Prime factorization of 17787 in exponential form is:

17787 = 31 × 72 × 112

Prime Factorization of 17803

Prime factors of 17803 are 19, 937. Prime factorization of 17803 in exponential form is:

17803 = 191 × 9371

Now multiplying the highest exponent prime factors to calculate the LCM of 17787 and 17803.

LCM(17787,17803) = 31 × 72 × 112 × 191 × 9371
LCM(17787,17803) = 316661961