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What is the Least Common Multiple of 39790 and 39794?

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 39790 and 39794 is 791701630.

LCM(39790,39794) = 791701630

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Least Common Multiple of 39790 and 39794 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39790 and 39794, than apply into the LCM equation.

GCF(39790,39794) = 2
LCM(39790,39794) = ( 39790 × 39794) / 2
LCM(39790,39794) = 1583403260 / 2
LCM(39790,39794) = 791701630

Least Common Multiple (LCM) of 39790 and 39794 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39790 and 39794. First we will calculate the prime factors of 39790 and 39794.

Prime Factorization of 39790

Prime factors of 39790 are 2, 5, 23, 173. Prime factorization of 39790 in exponential form is:

39790 = 21 × 51 × 231 × 1731

Prime Factorization of 39794

Prime factors of 39794 are 2, 101, 197. Prime factorization of 39794 in exponential form is:

39794 = 21 × 1011 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 39790 and 39794.

LCM(39790,39794) = 21 × 51 × 231 × 1731 × 1011 × 1971
LCM(39790,39794) = 791701630