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What is the Least Common Multiple of 15774 and 15791?

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 15774 and 15791 is 249087234.

LCM(15774,15791) = 249087234

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Least Common Multiple of 15774 and 15791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15774 and 15791, than apply into the LCM equation.

GCF(15774,15791) = 1
LCM(15774,15791) = ( 15774 × 15791) / 1
LCM(15774,15791) = 249087234 / 1
LCM(15774,15791) = 249087234

Least Common Multiple (LCM) of 15774 and 15791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15774 and 15791. First we will calculate the prime factors of 15774 and 15791.

Prime Factorization of 15774

Prime factors of 15774 are 2, 3, 11, 239. Prime factorization of 15774 in exponential form is:

15774 = 21 × 31 × 111 × 2391

Prime Factorization of 15791

Prime factors of 15791 are 15791. Prime factorization of 15791 in exponential form is:

15791 = 157911

Now multiplying the highest exponent prime factors to calculate the LCM of 15774 and 15791.

LCM(15774,15791) = 21 × 31 × 111 × 2391 × 157911
LCM(15774,15791) = 249087234