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What is the Least Common Multiple of 42567 and 42580?

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 42567 and 42580 is 1812502860.

LCM(42567,42580) = 1812502860

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Least Common Multiple of 42567 and 42580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42567 and 42580, than apply into the LCM equation.

GCF(42567,42580) = 1
LCM(42567,42580) = ( 42567 × 42580) / 1
LCM(42567,42580) = 1812502860 / 1
LCM(42567,42580) = 1812502860

Least Common Multiple (LCM) of 42567 and 42580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42567 and 42580. First we will calculate the prime factors of 42567 and 42580.

Prime Factorization of 42567

Prime factors of 42567 are 3, 7, 2027. Prime factorization of 42567 in exponential form is:

42567 = 31 × 71 × 20271

Prime Factorization of 42580

Prime factors of 42580 are 2, 5, 2129. Prime factorization of 42580 in exponential form is:

42580 = 22 × 51 × 21291

Now multiplying the highest exponent prime factors to calculate the LCM of 42567 and 42580.

LCM(42567,42580) = 31 × 71 × 20271 × 22 × 51 × 21291
LCM(42567,42580) = 1812502860