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What is the Least Common Multiple of 78256 and 78271?

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 78256 and 78271 is 6125175376.

LCM(78256,78271) = 6125175376

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Least Common Multiple of 78256 and 78271 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78256 and 78271, than apply into the LCM equation.

GCF(78256,78271) = 1
LCM(78256,78271) = ( 78256 × 78271) / 1
LCM(78256,78271) = 6125175376 / 1
LCM(78256,78271) = 6125175376

Least Common Multiple (LCM) of 78256 and 78271 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78256 and 78271. First we will calculate the prime factors of 78256 and 78271.

Prime Factorization of 78256

Prime factors of 78256 are 2, 67, 73. Prime factorization of 78256 in exponential form is:

78256 = 24 × 671 × 731

Prime Factorization of 78271

Prime factors of 78271 are 29, 2699. Prime factorization of 78271 in exponential form is:

78271 = 291 × 26991

Now multiplying the highest exponent prime factors to calculate the LCM of 78256 and 78271.

LCM(78256,78271) = 24 × 671 × 731 × 291 × 26991
LCM(78256,78271) = 6125175376