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What is the Least Common Multiple of 42461 and 42481?

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 42461 and 42481 is 1803785741.

LCM(42461,42481) = 1803785741

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Least Common Multiple of 42461 and 42481 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42461 and 42481, than apply into the LCM equation.

GCF(42461,42481) = 1
LCM(42461,42481) = ( 42461 × 42481) / 1
LCM(42461,42481) = 1803785741 / 1
LCM(42461,42481) = 1803785741

Least Common Multiple (LCM) of 42461 and 42481 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42461 and 42481. First we will calculate the prime factors of 42461 and 42481.

Prime Factorization of 42461

Prime factors of 42461 are 42461. Prime factorization of 42461 in exponential form is:

42461 = 424611

Prime Factorization of 42481

Prime factors of 42481 are 23, 1847. Prime factorization of 42481 in exponential form is:

42481 = 231 × 18471

Now multiplying the highest exponent prime factors to calculate the LCM of 42461 and 42481.

LCM(42461,42481) = 424611 × 231 × 18471
LCM(42461,42481) = 1803785741