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What is the Least Common Multiple of 78802 and 78816?

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 78802 and 78816 is 3105429216.

LCM(78802,78816) = 3105429216

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Least Common Multiple of 78802 and 78816 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78802 and 78816, than apply into the LCM equation.

GCF(78802,78816) = 2
LCM(78802,78816) = ( 78802 × 78816) / 2
LCM(78802,78816) = 6210858432 / 2
LCM(78802,78816) = 3105429216

Least Common Multiple (LCM) of 78802 and 78816 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78802 and 78816. First we will calculate the prime factors of 78802 and 78816.

Prime Factorization of 78802

Prime factors of 78802 are 2, 31, 41. Prime factorization of 78802 in exponential form is:

78802 = 21 × 312 × 411

Prime Factorization of 78816

Prime factors of 78816 are 2, 3, 821. Prime factorization of 78816 in exponential form is:

78816 = 25 × 31 × 8211

Now multiplying the highest exponent prime factors to calculate the LCM of 78802 and 78816.

LCM(78802,78816) = 25 × 312 × 411 × 31 × 8211
LCM(78802,78816) = 3105429216