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What is the Least Common Multiple of 78844 and 78856?

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 78844 and 78856 is 1554330616.

LCM(78844,78856) = 1554330616

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Least Common Multiple of 78844 and 78856 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78844 and 78856, than apply into the LCM equation.

GCF(78844,78856) = 4
LCM(78844,78856) = ( 78844 × 78856) / 4
LCM(78844,78856) = 6217322464 / 4
LCM(78844,78856) = 1554330616

Least Common Multiple (LCM) of 78844 and 78856 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78844 and 78856. First we will calculate the prime factors of 78844 and 78856.

Prime Factorization of 78844

Prime factors of 78844 are 2, 23, 857. Prime factorization of 78844 in exponential form is:

78844 = 22 × 231 × 8571

Prime Factorization of 78856

Prime factors of 78856 are 2, 9857. Prime factorization of 78856 in exponential form is:

78856 = 23 × 98571

Now multiplying the highest exponent prime factors to calculate the LCM of 78844 and 78856.

LCM(78844,78856) = 23 × 231 × 8571 × 98571
LCM(78844,78856) = 1554330616