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What is the Least Common Multiple of 78187 and 78205?

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 78187 and 78205 is 6114614335.

LCM(78187,78205) = 6114614335

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Least Common Multiple of 78187 and 78205 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78187 and 78205, than apply into the LCM equation.

GCF(78187,78205) = 1
LCM(78187,78205) = ( 78187 × 78205) / 1
LCM(78187,78205) = 6114614335 / 1
LCM(78187,78205) = 6114614335

Least Common Multiple (LCM) of 78187 and 78205 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78187 and 78205. First we will calculate the prime factors of 78187 and 78205.

Prime Factorization of 78187

Prime factors of 78187 are 41, 1907. Prime factorization of 78187 in exponential form is:

78187 = 411 × 19071

Prime Factorization of 78205

Prime factors of 78205 are 5, 15641. Prime factorization of 78205 in exponential form is:

78205 = 51 × 156411

Now multiplying the highest exponent prime factors to calculate the LCM of 78187 and 78205.

LCM(78187,78205) = 411 × 19071 × 51 × 156411
LCM(78187,78205) = 6114614335