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What is the Least Common Multiple of 42537 and 42547?

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 42537 and 42547 is 1809821739.

LCM(42537,42547) = 1809821739

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Least Common Multiple of 42537 and 42547 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42537 and 42547, than apply into the LCM equation.

GCF(42537,42547) = 1
LCM(42537,42547) = ( 42537 × 42547) / 1
LCM(42537,42547) = 1809821739 / 1
LCM(42537,42547) = 1809821739

Least Common Multiple (LCM) of 42537 and 42547 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42537 and 42547. First we will calculate the prime factors of 42537 and 42547.

Prime Factorization of 42537

Prime factors of 42537 are 3, 11, 1289. Prime factorization of 42537 in exponential form is:

42537 = 31 × 111 × 12891

Prime Factorization of 42547

Prime factors of 42547 are 157, 271. Prime factorization of 42547 in exponential form is:

42547 = 1571 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 42537 and 42547.

LCM(42537,42547) = 31 × 111 × 12891 × 1571 × 2711
LCM(42537,42547) = 1809821739