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What is the Least Common Multiple of 78844 and 78862?

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 78862 is 3108897764.

LCM(78844,78862) = 3108897764

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Least Common Multiple of 78844 and 78862 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 78862, than apply into the LCM equation.

GCF(78844,78862) = 2
LCM(78844,78862) = ( 78844 × 78862) / 2
LCM(78844,78862) = 6217795528 / 2
LCM(78844,78862) = 3108897764

Least Common Multiple (LCM) of 78844 and 78862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78844 and 78862. First we will calculate the prime factors of 78844 and 78862.

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 78862

Prime factors of 78862 are 2, 7, 43, 131. Prime factorization of 78862 in exponential form is:

78862 = 21 × 71 × 431 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 78844 and 78862.

LCM(78844,78862) = 22 × 231 × 8571 × 71 × 431 × 1311
LCM(78844,78862) = 3108897764