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What is the Least Common Multiple of 78863 and 78876?

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 78863 and 78876 is 6220397988.

LCM(78863,78876) = 6220397988

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Least Common Multiple of 78863 and 78876 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78863 and 78876, than apply into the LCM equation.

GCF(78863,78876) = 1
LCM(78863,78876) = ( 78863 × 78876) / 1
LCM(78863,78876) = 6220397988 / 1
LCM(78863,78876) = 6220397988

Least Common Multiple (LCM) of 78863 and 78876 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78863 and 78876. First we will calculate the prime factors of 78863 and 78876.

Prime Factorization of 78863

Prime factors of 78863 are 17, 4639. Prime factorization of 78863 in exponential form is:

78863 = 171 × 46391

Prime Factorization of 78876

Prime factors of 78876 are 2, 3, 7, 313. Prime factorization of 78876 in exponential form is:

78876 = 22 × 32 × 71 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 78863 and 78876.

LCM(78863,78876) = 171 × 46391 × 22 × 32 × 71 × 3131
LCM(78863,78876) = 6220397988