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What is the Least Common Multiple of 31734 and 31745?

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 31734 and 31745 is 1007395830.

LCM(31734,31745) = 1007395830

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Least Common Multiple of 31734 and 31745 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31734 and 31745, than apply into the LCM equation.

GCF(31734,31745) = 1
LCM(31734,31745) = ( 31734 × 31745) / 1
LCM(31734,31745) = 1007395830 / 1
LCM(31734,31745) = 1007395830

Least Common Multiple (LCM) of 31734 and 31745 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31734 and 31745. First we will calculate the prime factors of 31734 and 31745.

Prime Factorization of 31734

Prime factors of 31734 are 2, 3, 41, 43. Prime factorization of 31734 in exponential form is:

31734 = 21 × 32 × 411 × 431

Prime Factorization of 31745

Prime factors of 31745 are 5, 7, 907. Prime factorization of 31745 in exponential form is:

31745 = 51 × 71 × 9071

Now multiplying the highest exponent prime factors to calculate the LCM of 31734 and 31745.

LCM(31734,31745) = 21 × 32 × 411 × 431 × 51 × 71 × 9071
LCM(31734,31745) = 1007395830