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What is the Least Common Multiple of 42230 and 42249?

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 42230 and 42249 is 1784175270.

LCM(42230,42249) = 1784175270

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Least Common Multiple of 42230 and 42249 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42230 and 42249, than apply into the LCM equation.

GCF(42230,42249) = 1
LCM(42230,42249) = ( 42230 × 42249) / 1
LCM(42230,42249) = 1784175270 / 1
LCM(42230,42249) = 1784175270

Least Common Multiple (LCM) of 42230 and 42249 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42230 and 42249. First we will calculate the prime factors of 42230 and 42249.

Prime Factorization of 42230

Prime factors of 42230 are 2, 5, 41, 103. Prime factorization of 42230 in exponential form is:

42230 = 21 × 51 × 411 × 1031

Prime Factorization of 42249

Prime factors of 42249 are 3, 14083. Prime factorization of 42249 in exponential form is:

42249 = 31 × 140831

Now multiplying the highest exponent prime factors to calculate the LCM of 42230 and 42249.

LCM(42230,42249) = 21 × 51 × 411 × 1031 × 31 × 140831
LCM(42230,42249) = 1784175270