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What is the Least Common Multiple of 42823 and 42842?

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 42823 and 42842 is 1834622966.

LCM(42823,42842) = 1834622966

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Least Common Multiple of 42823 and 42842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42823 and 42842, than apply into the LCM equation.

GCF(42823,42842) = 1
LCM(42823,42842) = ( 42823 × 42842) / 1
LCM(42823,42842) = 1834622966 / 1
LCM(42823,42842) = 1834622966

Least Common Multiple (LCM) of 42823 and 42842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42823 and 42842. First we will calculate the prime factors of 42823 and 42842.

Prime Factorization of 42823

Prime factors of 42823 are 11, 17, 229. Prime factorization of 42823 in exponential form is:

42823 = 111 × 171 × 2291

Prime Factorization of 42842

Prime factors of 42842 are 2, 31, 691. Prime factorization of 42842 in exponential form is:

42842 = 21 × 311 × 6911

Now multiplying the highest exponent prime factors to calculate the LCM of 42823 and 42842.

LCM(42823,42842) = 111 × 171 × 2291 × 21 × 311 × 6911
LCM(42823,42842) = 1834622966