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What is the Least Common Multiple of 42889 and 42894?

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 42889 and 42894 is 1839680766.

LCM(42889,42894) = 1839680766

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Least Common Multiple of 42889 and 42894 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42889 and 42894, than apply into the LCM equation.

GCF(42889,42894) = 1
LCM(42889,42894) = ( 42889 × 42894) / 1
LCM(42889,42894) = 1839680766 / 1
LCM(42889,42894) = 1839680766

Least Common Multiple (LCM) of 42889 and 42894 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42889 and 42894. First we will calculate the prime factors of 42889 and 42894.

Prime Factorization of 42889

Prime factors of 42889 are 7, 11, 557. Prime factorization of 42889 in exponential form is:

42889 = 71 × 111 × 5571

Prime Factorization of 42894

Prime factors of 42894 are 2, 3, 2383. Prime factorization of 42894 in exponential form is:

42894 = 21 × 32 × 23831

Now multiplying the highest exponent prime factors to calculate the LCM of 42889 and 42894.

LCM(42889,42894) = 71 × 111 × 5571 × 21 × 32 × 23831
LCM(42889,42894) = 1839680766