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What is the Least Common Multiple of 42887 and 42902?

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 42887 and 42902 is 1839938074.

LCM(42887,42902) = 1839938074

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Least Common Multiple of 42887 and 42902 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42887 and 42902, than apply into the LCM equation.

GCF(42887,42902) = 1
LCM(42887,42902) = ( 42887 × 42902) / 1
LCM(42887,42902) = 1839938074 / 1
LCM(42887,42902) = 1839938074

Least Common Multiple (LCM) of 42887 and 42902 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42887 and 42902. First we will calculate the prime factors of 42887 and 42902.

Prime Factorization of 42887

Prime factors of 42887 are 13, 3299. Prime factorization of 42887 in exponential form is:

42887 = 131 × 32991

Prime Factorization of 42902

Prime factors of 42902 are 2, 19, 1129. Prime factorization of 42902 in exponential form is:

42902 = 21 × 191 × 11291

Now multiplying the highest exponent prime factors to calculate the LCM of 42887 and 42902.

LCM(42887,42902) = 131 × 32991 × 21 × 191 × 11291
LCM(42887,42902) = 1839938074