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What is the Least Common Multiple of 31755 and 31772?

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 31772 is 1008919860.

LCM(31755,31772) = 1008919860

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Least Common Multiple of 31755 and 31772 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 31772, than apply into the LCM equation.

GCF(31755,31772) = 1
LCM(31755,31772) = ( 31755 × 31772) / 1
LCM(31755,31772) = 1008919860 / 1
LCM(31755,31772) = 1008919860

Least Common Multiple (LCM) of 31755 and 31772 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31755 and 31772. First we will calculate the prime factors of 31755 and 31772.

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 31772

Prime factors of 31772 are 2, 13, 47. Prime factorization of 31772 in exponential form is:

31772 = 22 × 132 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 31755 and 31772.

LCM(31755,31772) = 31 × 51 × 291 × 731 × 22 × 132 × 471
LCM(31755,31772) = 1008919860