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What is the Least Common Multiple of 42261 and 42266?

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 42261 and 42266 is 1786203426.

LCM(42261,42266) = 1786203426

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Least Common Multiple of 42261 and 42266 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42261 and 42266, than apply into the LCM equation.

GCF(42261,42266) = 1
LCM(42261,42266) = ( 42261 × 42266) / 1
LCM(42261,42266) = 1786203426 / 1
LCM(42261,42266) = 1786203426

Least Common Multiple (LCM) of 42261 and 42266 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42261 and 42266. First we will calculate the prime factors of 42261 and 42266.

Prime Factorization of 42261

Prime factors of 42261 are 3, 14087. Prime factorization of 42261 in exponential form is:

42261 = 31 × 140871

Prime Factorization of 42266

Prime factors of 42266 are 2, 7, 3019. Prime factorization of 42266 in exponential form is:

42266 = 21 × 71 × 30191

Now multiplying the highest exponent prime factors to calculate the LCM of 42261 and 42266.

LCM(42261,42266) = 31 × 140871 × 21 × 71 × 30191
LCM(42261,42266) = 1786203426