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What is the Least Common Multiple of 42904 and 42911?

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 42904 and 42911 is 1841053544.

LCM(42904,42911) = 1841053544

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Least Common Multiple of 42904 and 42911 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42904 and 42911, than apply into the LCM equation.

GCF(42904,42911) = 1
LCM(42904,42911) = ( 42904 × 42911) / 1
LCM(42904,42911) = 1841053544 / 1
LCM(42904,42911) = 1841053544

Least Common Multiple (LCM) of 42904 and 42911 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42904 and 42911. First we will calculate the prime factors of 42904 and 42911.

Prime Factorization of 42904

Prime factors of 42904 are 2, 31, 173. Prime factorization of 42904 in exponential form is:

42904 = 23 × 311 × 1731

Prime Factorization of 42911

Prime factors of 42911 are 11, 47, 83. Prime factorization of 42911 in exponential form is:

42911 = 111 × 471 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 42904 and 42911.

LCM(42904,42911) = 23 × 311 × 1731 × 111 × 471 × 831
LCM(42904,42911) = 1841053544