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What is the Least Common Multiple of 3790 and 3806?

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 3790 and 3806 is 7212370.

LCM(3790,3806) = 7212370

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Least Common Multiple of 3790 and 3806 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3790 and 3806, than apply into the LCM equation.

GCF(3790,3806) = 2
LCM(3790,3806) = ( 3790 × 3806) / 2
LCM(3790,3806) = 14424740 / 2
LCM(3790,3806) = 7212370

Least Common Multiple (LCM) of 3790 and 3806 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3790 and 3806. First we will calculate the prime factors of 3790 and 3806.

Prime Factorization of 3790

Prime factors of 3790 are 2, 5, 379. Prime factorization of 3790 in exponential form is:

3790 = 21 × 51 × 3791

Prime Factorization of 3806

Prime factors of 3806 are 2, 11, 173. Prime factorization of 3806 in exponential form is:

3806 = 21 × 111 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 3790 and 3806.

LCM(3790,3806) = 21 × 51 × 3791 × 111 × 1731
LCM(3790,3806) = 7212370