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What is the Least Common Multiple of 42779 and 42786?

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 42779 and 42786 is 1830342294.

LCM(42779,42786) = 1830342294

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Least Common Multiple of 42779 and 42786 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42779 and 42786, than apply into the LCM equation.

GCF(42779,42786) = 1
LCM(42779,42786) = ( 42779 × 42786) / 1
LCM(42779,42786) = 1830342294 / 1
LCM(42779,42786) = 1830342294

Least Common Multiple (LCM) of 42779 and 42786 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42779 and 42786. First we will calculate the prime factors of 42779 and 42786.

Prime Factorization of 42779

Prime factors of 42779 are 11, 3889. Prime factorization of 42779 in exponential form is:

42779 = 111 × 38891

Prime Factorization of 42786

Prime factors of 42786 are 2, 3, 2377. Prime factorization of 42786 in exponential form is:

42786 = 21 × 32 × 23771

Now multiplying the highest exponent prime factors to calculate the LCM of 42779 and 42786.

LCM(42779,42786) = 111 × 38891 × 21 × 32 × 23771
LCM(42779,42786) = 1830342294