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What is the Least Common Multiple of 42394 and 42412?

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 42394 and 42412 is 899007164.

LCM(42394,42412) = 899007164

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Least Common Multiple of 42394 and 42412 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42394 and 42412, than apply into the LCM equation.

GCF(42394,42412) = 2
LCM(42394,42412) = ( 42394 × 42412) / 2
LCM(42394,42412) = 1798014328 / 2
LCM(42394,42412) = 899007164

Least Common Multiple (LCM) of 42394 and 42412 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42394 and 42412. First we will calculate the prime factors of 42394 and 42412.

Prime Factorization of 42394

Prime factors of 42394 are 2, 11, 41, 47. Prime factorization of 42394 in exponential form is:

42394 = 21 × 111 × 411 × 471

Prime Factorization of 42412

Prime factors of 42412 are 2, 23, 461. Prime factorization of 42412 in exponential form is:

42412 = 22 × 231 × 4611

Now multiplying the highest exponent prime factors to calculate the LCM of 42394 and 42412.

LCM(42394,42412) = 22 × 111 × 411 × 471 × 231 × 4611
LCM(42394,42412) = 899007164