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What is the Least Common Multiple of 78209 and 78226?

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 78209 and 78226 is 6117977234.

LCM(78209,78226) = 6117977234

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Least Common Multiple of 78209 and 78226 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78209 and 78226, than apply into the LCM equation.

GCF(78209,78226) = 1
LCM(78209,78226) = ( 78209 × 78226) / 1
LCM(78209,78226) = 6117977234 / 1
LCM(78209,78226) = 6117977234

Least Common Multiple (LCM) of 78209 and 78226 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78209 and 78226. First we will calculate the prime factors of 78209 and 78226.

Prime Factorization of 78209

Prime factors of 78209 are 197, 397. Prime factorization of 78209 in exponential form is:

78209 = 1971 × 3971

Prime Factorization of 78226

Prime factors of 78226 are 2, 39113. Prime factorization of 78226 in exponential form is:

78226 = 21 × 391131

Now multiplying the highest exponent prime factors to calculate the LCM of 78209 and 78226.

LCM(78209,78226) = 1971 × 3971 × 21 × 391131
LCM(78209,78226) = 6117977234