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What is the Least Common Multiple of 803 and 811?

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 803 and 811 is 651233.

LCM(803,811) = 651233

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Least Common Multiple of 803 and 811 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 803 and 811, than apply into the LCM equation.

GCF(803,811) = 1
LCM(803,811) = ( 803 × 811) / 1
LCM(803,811) = 651233 / 1
LCM(803,811) = 651233

Least Common Multiple (LCM) of 803 and 811 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 803 and 811. First we will calculate the prime factors of 803 and 811.

Prime Factorization of 803

Prime factors of 803 are 11, 73. Prime factorization of 803 in exponential form is:

803 = 111 × 731

Prime Factorization of 811

Prime factors of 811 are 811. Prime factorization of 811 in exponential form is:

811 = 8111

Now multiplying the highest exponent prime factors to calculate the LCM of 803 and 811.

LCM(803,811) = 111 × 731 × 8111
LCM(803,811) = 651233