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What is the Least Common Multiple of 12779 and 12787?

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 12779 and 12787 is 163405073.

LCM(12779,12787) = 163405073

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Least Common Multiple of 12779 and 12787 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12779 and 12787, than apply into the LCM equation.

GCF(12779,12787) = 1
LCM(12779,12787) = ( 12779 × 12787) / 1
LCM(12779,12787) = 163405073 / 1
LCM(12779,12787) = 163405073

Least Common Multiple (LCM) of 12779 and 12787 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12779 and 12787. First we will calculate the prime factors of 12779 and 12787.

Prime Factorization of 12779

Prime factors of 12779 are 13, 983. Prime factorization of 12779 in exponential form is:

12779 = 131 × 9831

Prime Factorization of 12787

Prime factors of 12787 are 19, 673. Prime factorization of 12787 in exponential form is:

12787 = 191 × 6731

Now multiplying the highest exponent prime factors to calculate the LCM of 12779 and 12787.

LCM(12779,12787) = 131 × 9831 × 191 × 6731
LCM(12779,12787) = 163405073