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What is the Least Common Multiple of 31546 and 31562?

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 31546 and 31562 is 497827426.

LCM(31546,31562) = 497827426

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Least Common Multiple of 31546 and 31562 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31546 and 31562, than apply into the LCM equation.

GCF(31546,31562) = 2
LCM(31546,31562) = ( 31546 × 31562) / 2
LCM(31546,31562) = 995654852 / 2
LCM(31546,31562) = 497827426

Least Common Multiple (LCM) of 31546 and 31562 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31546 and 31562. First we will calculate the prime factors of 31546 and 31562.

Prime Factorization of 31546

Prime factors of 31546 are 2, 15773. Prime factorization of 31546 in exponential form is:

31546 = 21 × 157731

Prime Factorization of 31562

Prime factors of 31562 are 2, 43, 367. Prime factorization of 31562 in exponential form is:

31562 = 21 × 431 × 3671

Now multiplying the highest exponent prime factors to calculate the LCM of 31546 and 31562.

LCM(31546,31562) = 21 × 157731 × 431 × 3671
LCM(31546,31562) = 497827426