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What is the Least Common Multiple of 42771 and 42779?

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 42771 and 42779 is 1829700609.

LCM(42771,42779) = 1829700609

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Least Common Multiple of 42771 and 42779 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42771 and 42779, than apply into the LCM equation.

GCF(42771,42779) = 1
LCM(42771,42779) = ( 42771 × 42779) / 1
LCM(42771,42779) = 1829700609 / 1
LCM(42771,42779) = 1829700609

Least Common Multiple (LCM) of 42771 and 42779 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42771 and 42779. First we will calculate the prime factors of 42771 and 42779.

Prime Factorization of 42771

Prime factors of 42771 are 3, 53, 269. Prime factorization of 42771 in exponential form is:

42771 = 31 × 531 × 2691

Prime Factorization of 42779

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

42779 = 111 × 38891

Now multiplying the highest exponent prime factors to calculate the LCM of 42771 and 42779.

LCM(42771,42779) = 31 × 531 × 2691 × 111 × 38891
LCM(42771,42779) = 1829700609