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What is the Least Common Multiple of 39430 and 39442?

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 39430 and 39442 is 777599030.

LCM(39430,39442) = 777599030

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Least Common Multiple of 39430 and 39442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39430 and 39442, than apply into the LCM equation.

GCF(39430,39442) = 2
LCM(39430,39442) = ( 39430 × 39442) / 2
LCM(39430,39442) = 1555198060 / 2
LCM(39430,39442) = 777599030

Least Common Multiple (LCM) of 39430 and 39442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39430 and 39442. First we will calculate the prime factors of 39430 and 39442.

Prime Factorization of 39430

Prime factors of 39430 are 2, 5, 3943. Prime factorization of 39430 in exponential form is:

39430 = 21 × 51 × 39431

Prime Factorization of 39442

Prime factors of 39442 are 2, 13, 37, 41. Prime factorization of 39442 in exponential form is:

39442 = 21 × 131 × 371 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 39430 and 39442.

LCM(39430,39442) = 21 × 51 × 39431 × 131 × 371 × 411
LCM(39430,39442) = 777599030