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What is the Least Common Multiple of 42254 and 42269?

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 42254 and 42269 is 1786034326.

LCM(42254,42269) = 1786034326

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Least Common Multiple of 42254 and 42269 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42254 and 42269, than apply into the LCM equation.

GCF(42254,42269) = 1
LCM(42254,42269) = ( 42254 × 42269) / 1
LCM(42254,42269) = 1786034326 / 1
LCM(42254,42269) = 1786034326

Least Common Multiple (LCM) of 42254 and 42269 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42254 and 42269. First we will calculate the prime factors of 42254 and 42269.

Prime Factorization of 42254

Prime factors of 42254 are 2, 37, 571. Prime factorization of 42254 in exponential form is:

42254 = 21 × 371 × 5711

Prime Factorization of 42269

Prime factors of 42269 are 43, 983. Prime factorization of 42269 in exponential form is:

42269 = 431 × 9831

Now multiplying the highest exponent prime factors to calculate the LCM of 42254 and 42269.

LCM(42254,42269) = 21 × 371 × 5711 × 431 × 9831
LCM(42254,42269) = 1786034326