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What is the Least Common Multiple of 78105 and 78119?

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 78105 and 78119 is 6101484495.

LCM(78105,78119) = 6101484495

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Least Common Multiple of 78105 and 78119 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78105 and 78119, than apply into the LCM equation.

GCF(78105,78119) = 1
LCM(78105,78119) = ( 78105 × 78119) / 1
LCM(78105,78119) = 6101484495 / 1
LCM(78105,78119) = 6101484495

Least Common Multiple (LCM) of 78105 and 78119 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78105 and 78119. First we will calculate the prime factors of 78105 and 78119.

Prime Factorization of 78105

Prime factors of 78105 are 3, 5, 41, 127. Prime factorization of 78105 in exponential form is:

78105 = 31 × 51 × 411 × 1271

Prime Factorization of 78119

Prime factors of 78119 are 191, 409. Prime factorization of 78119 in exponential form is:

78119 = 1911 × 4091

Now multiplying the highest exponent prime factors to calculate the LCM of 78105 and 78119.

LCM(78105,78119) = 31 × 51 × 411 × 1271 × 1911 × 4091
LCM(78105,78119) = 6101484495