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What is the Least Common Multiple of 42917 and 42928?

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 42917 and 42928 is 1842340976.

LCM(42917,42928) = 1842340976

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Least Common Multiple of 42917 and 42928 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42917 and 42928, than apply into the LCM equation.

GCF(42917,42928) = 1
LCM(42917,42928) = ( 42917 × 42928) / 1
LCM(42917,42928) = 1842340976 / 1
LCM(42917,42928) = 1842340976

Least Common Multiple (LCM) of 42917 and 42928 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42917 and 42928. First we will calculate the prime factors of 42917 and 42928.

Prime Factorization of 42917

Prime factors of 42917 are 7, 6131. Prime factorization of 42917 in exponential form is:

42917 = 71 × 61311

Prime Factorization of 42928

Prime factors of 42928 are 2, 2683. Prime factorization of 42928 in exponential form is:

42928 = 24 × 26831

Now multiplying the highest exponent prime factors to calculate the LCM of 42917 and 42928.

LCM(42917,42928) = 71 × 61311 × 24 × 26831
LCM(42917,42928) = 1842340976