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What is the Least Common Multiple of 78268 and 78279?

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 78268 and 78279 is 6126740772.

LCM(78268,78279) = 6126740772

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Least Common Multiple of 78268 and 78279 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78268 and 78279, than apply into the LCM equation.

GCF(78268,78279) = 1
LCM(78268,78279) = ( 78268 × 78279) / 1
LCM(78268,78279) = 6126740772 / 1
LCM(78268,78279) = 6126740772

Least Common Multiple (LCM) of 78268 and 78279 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78268 and 78279. First we will calculate the prime factors of 78268 and 78279.

Prime Factorization of 78268

Prime factors of 78268 are 2, 17, 1151. Prime factorization of 78268 in exponential form is:

78268 = 22 × 171 × 11511

Prime Factorization of 78279

Prime factors of 78279 are 3, 97, 269. Prime factorization of 78279 in exponential form is:

78279 = 31 × 971 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 78268 and 78279.

LCM(78268,78279) = 22 × 171 × 11511 × 31 × 971 × 2691
LCM(78268,78279) = 6126740772