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What is the Least Common Multiple of 42682 and 42691?

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 42682 and 42691 is 1822137262.

LCM(42682,42691) = 1822137262

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Least Common Multiple of 42682 and 42691 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42682 and 42691, than apply into the LCM equation.

GCF(42682,42691) = 1
LCM(42682,42691) = ( 42682 × 42691) / 1
LCM(42682,42691) = 1822137262 / 1
LCM(42682,42691) = 1822137262

Least Common Multiple (LCM) of 42682 and 42691 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42682 and 42691. First we will calculate the prime factors of 42682 and 42691.

Prime Factorization of 42682

Prime factors of 42682 are 2, 21341. Prime factorization of 42682 in exponential form is:

42682 = 21 × 213411

Prime Factorization of 42691

Prime factors of 42691 are 11, 3881. Prime factorization of 42691 in exponential form is:

42691 = 111 × 38811

Now multiplying the highest exponent prime factors to calculate the LCM of 42682 and 42691.

LCM(42682,42691) = 21 × 213411 × 111 × 38811
LCM(42682,42691) = 1822137262