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What is the Least Common Multiple of 43821 and 43841?

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 43821 and 43841 is 1921156461.

LCM(43821,43841) = 1921156461

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Least Common Multiple of 43821 and 43841 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43821 and 43841, than apply into the LCM equation.

GCF(43821,43841) = 1
LCM(43821,43841) = ( 43821 × 43841) / 1
LCM(43821,43841) = 1921156461 / 1
LCM(43821,43841) = 1921156461

Least Common Multiple (LCM) of 43821 and 43841 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43821 and 43841. First we will calculate the prime factors of 43821 and 43841.

Prime Factorization of 43821

Prime factors of 43821 are 3, 541. Prime factorization of 43821 in exponential form is:

43821 = 34 × 5411

Prime Factorization of 43841

Prime factors of 43841 are 7, 6263. Prime factorization of 43841 in exponential form is:

43841 = 71 × 62631

Now multiplying the highest exponent prime factors to calculate the LCM of 43821 and 43841.

LCM(43821,43841) = 34 × 5411 × 71 × 62631
LCM(43821,43841) = 1921156461