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What is the Least Common Multiple of 42883 and 42890?

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 42883 and 42890 is 1839251870.

LCM(42883,42890) = 1839251870

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Least Common Multiple of 42883 and 42890 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42883 and 42890, than apply into the LCM equation.

GCF(42883,42890) = 1
LCM(42883,42890) = ( 42883 × 42890) / 1
LCM(42883,42890) = 1839251870 / 1
LCM(42883,42890) = 1839251870

Least Common Multiple (LCM) of 42883 and 42890 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42883 and 42890. First we will calculate the prime factors of 42883 and 42890.

Prime Factorization of 42883

Prime factors of 42883 are 19, 37, 61. Prime factorization of 42883 in exponential form is:

42883 = 191 × 371 × 611

Prime Factorization of 42890

Prime factors of 42890 are 2, 5, 4289. Prime factorization of 42890 in exponential form is:

42890 = 21 × 51 × 42891

Now multiplying the highest exponent prime factors to calculate the LCM of 42883 and 42890.

LCM(42883,42890) = 191 × 371 × 611 × 21 × 51 × 42891
LCM(42883,42890) = 1839251870