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What is the Least Common Multiple of 10256 and 10260?

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 10256 and 10260 is 26306640.

LCM(10256,10260) = 26306640

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Least Common Multiple of 10256 and 10260 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10256 and 10260, than apply into the LCM equation.

GCF(10256,10260) = 4
LCM(10256,10260) = ( 10256 × 10260) / 4
LCM(10256,10260) = 105226560 / 4
LCM(10256,10260) = 26306640

Least Common Multiple (LCM) of 10256 and 10260 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10256 and 10260. First we will calculate the prime factors of 10256 and 10260.

Prime Factorization of 10256

Prime factors of 10256 are 2, 641. Prime factorization of 10256 in exponential form is:

10256 = 24 × 6411

Prime Factorization of 10260

Prime factors of 10260 are 2, 3, 5, 19. Prime factorization of 10260 in exponential form is:

10260 = 22 × 33 × 51 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 10256 and 10260.

LCM(10256,10260) = 24 × 6411 × 33 × 51 × 191
LCM(10256,10260) = 26306640