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What is the Least Common Multiple of 42836 and 42843?

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 42836 and 42843 is 1835222748.

LCM(42836,42843) = 1835222748

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Least Common Multiple of 42836 and 42843 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42836 and 42843, than apply into the LCM equation.

GCF(42836,42843) = 1
LCM(42836,42843) = ( 42836 × 42843) / 1
LCM(42836,42843) = 1835222748 / 1
LCM(42836,42843) = 1835222748

Least Common Multiple (LCM) of 42836 and 42843 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42836 and 42843. First we will calculate the prime factors of 42836 and 42843.

Prime Factorization of 42836

Prime factors of 42836 are 2, 10709. Prime factorization of 42836 in exponential form is:

42836 = 22 × 107091

Prime Factorization of 42843

Prime factors of 42843 are 3, 14281. Prime factorization of 42843 in exponential form is:

42843 = 31 × 142811

Now multiplying the highest exponent prime factors to calculate the LCM of 42836 and 42843.

LCM(42836,42843) = 22 × 107091 × 31 × 142811
LCM(42836,42843) = 1835222748