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What is the Least Common Multiple of 78256 and 78269?

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 78269 is 6125018864.

LCM(78256,78269) = 6125018864

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Least Common Multiple of 78256 and 78269 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 78269, than apply into the LCM equation.

GCF(78256,78269) = 1
LCM(78256,78269) = ( 78256 × 78269) / 1
LCM(78256,78269) = 6125018864 / 1
LCM(78256,78269) = 6125018864

Least Common Multiple (LCM) of 78256 and 78269 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78256 and 78269. First we will calculate the prime factors of 78256 and 78269.

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 78269

Prime factors of 78269 are 23, 41, 83. Prime factorization of 78269 in exponential form is:

78269 = 231 × 411 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 78256 and 78269.

LCM(78256,78269) = 24 × 671 × 731 × 231 × 411 × 831
LCM(78256,78269) = 6125018864