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What is the Least Common Multiple of 42562 and 42572?

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 42562 and 42572 is 905974732.

LCM(42562,42572) = 905974732

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Least Common Multiple of 42562 and 42572 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42562 and 42572, than apply into the LCM equation.

GCF(42562,42572) = 2
LCM(42562,42572) = ( 42562 × 42572) / 2
LCM(42562,42572) = 1811949464 / 2
LCM(42562,42572) = 905974732

Least Common Multiple (LCM) of 42562 and 42572 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42562 and 42572. First we will calculate the prime factors of 42562 and 42572.

Prime Factorization of 42562

Prime factors of 42562 are 2, 13, 1637. Prime factorization of 42562 in exponential form is:

42562 = 21 × 131 × 16371

Prime Factorization of 42572

Prime factors of 42572 are 2, 29, 367. Prime factorization of 42572 in exponential form is:

42572 = 22 × 291 × 3671

Now multiplying the highest exponent prime factors to calculate the LCM of 42562 and 42572.

LCM(42562,42572) = 22 × 131 × 16371 × 291 × 3671
LCM(42562,42572) = 905974732