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What is the Least Common Multiple of 42485 and 42494?

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 42485 and 42494 is 1805357590.

LCM(42485,42494) = 1805357590

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Least Common Multiple of 42485 and 42494 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42485 and 42494, than apply into the LCM equation.

GCF(42485,42494) = 1
LCM(42485,42494) = ( 42485 × 42494) / 1
LCM(42485,42494) = 1805357590 / 1
LCM(42485,42494) = 1805357590

Least Common Multiple (LCM) of 42485 and 42494 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42485 and 42494. First we will calculate the prime factors of 42485 and 42494.

Prime Factorization of 42485

Prime factors of 42485 are 5, 29, 293. Prime factorization of 42485 in exponential form is:

42485 = 51 × 291 × 2931

Prime Factorization of 42494

Prime factors of 42494 are 2, 21247. Prime factorization of 42494 in exponential form is:

42494 = 21 × 212471

Now multiplying the highest exponent prime factors to calculate the LCM of 42485 and 42494.

LCM(42485,42494) = 51 × 291 × 2931 × 21 × 212471
LCM(42485,42494) = 1805357590