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What is the Least Common Multiple of 78907 and 78917?

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 78907 and 78917 is 6227103719.

LCM(78907,78917) = 6227103719

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Least Common Multiple of 78907 and 78917 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78907 and 78917, than apply into the LCM equation.

GCF(78907,78917) = 1
LCM(78907,78917) = ( 78907 × 78917) / 1
LCM(78907,78917) = 6227103719 / 1
LCM(78907,78917) = 6227103719

Least Common Multiple (LCM) of 78907 and 78917 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78907 and 78917. First we will calculate the prime factors of 78907 and 78917.

Prime Factorization of 78907

Prime factors of 78907 are 19, 4153. Prime factorization of 78907 in exponential form is:

78907 = 191 × 41531

Prime Factorization of 78917

Prime factors of 78917 are 53, 1489. Prime factorization of 78917 in exponential form is:

78917 = 531 × 14891

Now multiplying the highest exponent prime factors to calculate the LCM of 78907 and 78917.

LCM(78907,78917) = 191 × 41531 × 531 × 14891
LCM(78907,78917) = 6227103719