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What is the Least Common Multiple of 42361 and 42378?

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 42361 and 42378 is 1795174458.

LCM(42361,42378) = 1795174458

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Least Common Multiple of 42361 and 42378 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42361 and 42378, than apply into the LCM equation.

GCF(42361,42378) = 1
LCM(42361,42378) = ( 42361 × 42378) / 1
LCM(42361,42378) = 1795174458 / 1
LCM(42361,42378) = 1795174458

Least Common Multiple (LCM) of 42361 and 42378 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42361 and 42378. First we will calculate the prime factors of 42361 and 42378.

Prime Factorization of 42361

Prime factors of 42361 are 11, 3851. Prime factorization of 42361 in exponential form is:

42361 = 111 × 38511

Prime Factorization of 42378

Prime factors of 42378 are 2, 3, 7, 1009. Prime factorization of 42378 in exponential form is:

42378 = 21 × 31 × 71 × 10091

Now multiplying the highest exponent prime factors to calculate the LCM of 42361 and 42378.

LCM(42361,42378) = 111 × 38511 × 21 × 31 × 71 × 10091
LCM(42361,42378) = 1795174458