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What is the Least Common Multiple of 42566 and 42583?

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 42566 and 42583 is 1812587978.

LCM(42566,42583) = 1812587978

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Least Common Multiple of 42566 and 42583 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42566 and 42583, than apply into the LCM equation.

GCF(42566,42583) = 1
LCM(42566,42583) = ( 42566 × 42583) / 1
LCM(42566,42583) = 1812587978 / 1
LCM(42566,42583) = 1812587978

Least Common Multiple (LCM) of 42566 and 42583 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42566 and 42583. First we will calculate the prime factors of 42566 and 42583.

Prime Factorization of 42566

Prime factors of 42566 are 2, 21283. Prime factorization of 42566 in exponential form is:

42566 = 21 × 212831

Prime Factorization of 42583

Prime factors of 42583 are 97, 439. Prime factorization of 42583 in exponential form is:

42583 = 971 × 4391

Now multiplying the highest exponent prime factors to calculate the LCM of 42566 and 42583.

LCM(42566,42583) = 21 × 212831 × 971 × 4391
LCM(42566,42583) = 1812587978