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What is the Least Common Multiple of 2791 and 2806?

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 2791 and 2806 is 7831546.

LCM(2791,2806) = 7831546

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Least Common Multiple of 2791 and 2806 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2791 and 2806, than apply into the LCM equation.

GCF(2791,2806) = 1
LCM(2791,2806) = ( 2791 × 2806) / 1
LCM(2791,2806) = 7831546 / 1
LCM(2791,2806) = 7831546

Least Common Multiple (LCM) of 2791 and 2806 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2791 and 2806. First we will calculate the prime factors of 2791 and 2806.

Prime Factorization of 2791

Prime factors of 2791 are 2791. Prime factorization of 2791 in exponential form is:

2791 = 27911

Prime Factorization of 2806

Prime factors of 2806 are 2, 23, 61. Prime factorization of 2806 in exponential form is:

2806 = 21 × 231 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 2791 and 2806.

LCM(2791,2806) = 27911 × 21 × 231 × 611
LCM(2791,2806) = 7831546