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What is the Least Common Multiple of 43256 and 43261?

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 43256 and 43261 is 1871297816.

LCM(43256,43261) = 1871297816

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Least Common Multiple of 43256 and 43261 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43256 and 43261, than apply into the LCM equation.

GCF(43256,43261) = 1
LCM(43256,43261) = ( 43256 × 43261) / 1
LCM(43256,43261) = 1871297816 / 1
LCM(43256,43261) = 1871297816

Least Common Multiple (LCM) of 43256 and 43261 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43256 and 43261. First we will calculate the prime factors of 43256 and 43261.

Prime Factorization of 43256

Prime factors of 43256 are 2, 5407. Prime factorization of 43256 in exponential form is:

43256 = 23 × 54071

Prime Factorization of 43261

Prime factors of 43261 are 43261. Prime factorization of 43261 in exponential form is:

43261 = 432611

Now multiplying the highest exponent prime factors to calculate the LCM of 43256 and 43261.

LCM(43256,43261) = 23 × 54071 × 432611
LCM(43256,43261) = 1871297816