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What is the Least Common Multiple of 42869 and 42885?

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 42869 and 42885 is 1838437065.

LCM(42869,42885) = 1838437065

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Least Common Multiple of 42869 and 42885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42869 and 42885, than apply into the LCM equation.

GCF(42869,42885) = 1
LCM(42869,42885) = ( 42869 × 42885) / 1
LCM(42869,42885) = 1838437065 / 1
LCM(42869,42885) = 1838437065

Least Common Multiple (LCM) of 42869 and 42885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42869 and 42885. First we will calculate the prime factors of 42869 and 42885.

Prime Factorization of 42869

Prime factors of 42869 are 163, 263. Prime factorization of 42869 in exponential form is:

42869 = 1631 × 2631

Prime Factorization of 42885

Prime factors of 42885 are 3, 5, 953. Prime factorization of 42885 in exponential form is:

42885 = 32 × 51 × 9531

Now multiplying the highest exponent prime factors to calculate the LCM of 42869 and 42885.

LCM(42869,42885) = 1631 × 2631 × 32 × 51 × 9531
LCM(42869,42885) = 1838437065