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What is the Least Common Multiple of 78863 and 78870?

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 78870 is 6219924810.

LCM(78863,78870) = 6219924810

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Least Common Multiple of 78863 and 78870 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 78870, than apply into the LCM equation.

GCF(78863,78870) = 1
LCM(78863,78870) = ( 78863 × 78870) / 1
LCM(78863,78870) = 6219924810 / 1
LCM(78863,78870) = 6219924810

Least Common Multiple (LCM) of 78863 and 78870 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78863 and 78870. First we will calculate the prime factors of 78863 and 78870.

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 78870

Prime factors of 78870 are 2, 3, 5, 11, 239. Prime factorization of 78870 in exponential form is:

78870 = 21 × 31 × 51 × 111 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 78863 and 78870.

LCM(78863,78870) = 171 × 46391 × 21 × 31 × 51 × 111 × 2391
LCM(78863,78870) = 6219924810