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What is the Least Common Multiple of 42290 and 42301?

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 42290 and 42301 is 1788909290.

LCM(42290,42301) = 1788909290

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Least Common Multiple of 42290 and 42301 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42290 and 42301, than apply into the LCM equation.

GCF(42290,42301) = 1
LCM(42290,42301) = ( 42290 × 42301) / 1
LCM(42290,42301) = 1788909290 / 1
LCM(42290,42301) = 1788909290

Least Common Multiple (LCM) of 42290 and 42301 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42290 and 42301. First we will calculate the prime factors of 42290 and 42301.

Prime Factorization of 42290

Prime factors of 42290 are 2, 5, 4229. Prime factorization of 42290 in exponential form is:

42290 = 21 × 51 × 42291

Prime Factorization of 42301

Prime factors of 42301 are 7, 6043. Prime factorization of 42301 in exponential form is:

42301 = 71 × 60431

Now multiplying the highest exponent prime factors to calculate the LCM of 42290 and 42301.

LCM(42290,42301) = 21 × 51 × 42291 × 71 × 60431
LCM(42290,42301) = 1788909290