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What is the Least Common Multiple of 31755 and 31775?

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 31755 and 31775 is 201803025.

LCM(31755,31775) = 201803025

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Least Common Multiple of 31755 and 31775 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31755 and 31775, than apply into the LCM equation.

GCF(31755,31775) = 5
LCM(31755,31775) = ( 31755 × 31775) / 5
LCM(31755,31775) = 1009015125 / 5
LCM(31755,31775) = 201803025

Least Common Multiple (LCM) of 31755 and 31775 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31755 and 31775. First we will calculate the prime factors of 31755 and 31775.

Prime Factorization of 31755

Prime factors of 31755 are 3, 5, 29, 73. Prime factorization of 31755 in exponential form is:

31755 = 31 × 51 × 291 × 731

Prime Factorization of 31775

Prime factors of 31775 are 5, 31, 41. Prime factorization of 31775 in exponential form is:

31775 = 52 × 311 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 31755 and 31775.

LCM(31755,31775) = 31 × 52 × 291 × 731 × 311 × 411
LCM(31755,31775) = 201803025