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What is the Least Common Multiple of 42248 and 42255?

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 42248 and 42255 is 1785189240.

LCM(42248,42255) = 1785189240

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Least Common Multiple of 42248 and 42255 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42248 and 42255, than apply into the LCM equation.

GCF(42248,42255) = 1
LCM(42248,42255) = ( 42248 × 42255) / 1
LCM(42248,42255) = 1785189240 / 1
LCM(42248,42255) = 1785189240

Least Common Multiple (LCM) of 42248 and 42255 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42248 and 42255. First we will calculate the prime factors of 42248 and 42255.

Prime Factorization of 42248

Prime factors of 42248 are 2, 5281. Prime factorization of 42248 in exponential form is:

42248 = 23 × 52811

Prime Factorization of 42255

Prime factors of 42255 are 3, 5, 313. Prime factorization of 42255 in exponential form is:

42255 = 33 × 51 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 42248 and 42255.

LCM(42248,42255) = 23 × 52811 × 33 × 51 × 3131
LCM(42248,42255) = 1785189240