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What is the Least Common Multiple of 27909 and 27917?

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 27909 and 27917 is 779135553.

LCM(27909,27917) = 779135553

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Least Common Multiple of 27909 and 27917 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27909 and 27917, than apply into the LCM equation.

GCF(27909,27917) = 1
LCM(27909,27917) = ( 27909 × 27917) / 1
LCM(27909,27917) = 779135553 / 1
LCM(27909,27917) = 779135553

Least Common Multiple (LCM) of 27909 and 27917 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27909 and 27917. First we will calculate the prime factors of 27909 and 27917.

Prime Factorization of 27909

Prime factors of 27909 are 3, 7, 443. Prime factorization of 27909 in exponential form is:

27909 = 32 × 71 × 4431

Prime Factorization of 27917

Prime factors of 27917 are 27917. Prime factorization of 27917 in exponential form is:

27917 = 279171

Now multiplying the highest exponent prime factors to calculate the LCM of 27909 and 27917.

LCM(27909,27917) = 32 × 71 × 4431 × 279171
LCM(27909,27917) = 779135553