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What is the Least Common Multiple of 78899 and 78909?

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 78899 and 78909 is 6225841191.

LCM(78899,78909) = 6225841191

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Least Common Multiple of 78899 and 78909 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78899 and 78909, than apply into the LCM equation.

GCF(78899,78909) = 1
LCM(78899,78909) = ( 78899 × 78909) / 1
LCM(78899,78909) = 6225841191 / 1
LCM(78899,78909) = 6225841191

Least Common Multiple (LCM) of 78899 and 78909 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78899 and 78909. First we will calculate the prime factors of 78899 and 78909.

Prime Factorization of 78899

Prime factors of 78899 are 257, 307. Prime factorization of 78899 in exponential form is:

78899 = 2571 × 3071

Prime Factorization of 78909

Prime factors of 78909 are 3, 29, 907. Prime factorization of 78909 in exponential form is:

78909 = 31 × 291 × 9071

Now multiplying the highest exponent prime factors to calculate the LCM of 78899 and 78909.

LCM(78899,78909) = 2571 × 3071 × 31 × 291 × 9071
LCM(78899,78909) = 6225841191