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What is the Least Common Multiple of 31745 and 31749?

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 31745 and 31749 is 1007872005.

LCM(31745,31749) = 1007872005

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Least Common Multiple of 31745 and 31749 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31745 and 31749, than apply into the LCM equation.

GCF(31745,31749) = 1
LCM(31745,31749) = ( 31745 × 31749) / 1
LCM(31745,31749) = 1007872005 / 1
LCM(31745,31749) = 1007872005

Least Common Multiple (LCM) of 31745 and 31749 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31745 and 31749. First we will calculate the prime factors of 31745 and 31749.

Prime Factorization of 31745

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

31745 = 51 × 71 × 9071

Prime Factorization of 31749

Prime factors of 31749 are 3, 19, 557. Prime factorization of 31749 in exponential form is:

31749 = 31 × 191 × 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 31745 and 31749.

LCM(31745,31749) = 51 × 71 × 9071 × 31 × 191 × 5571
LCM(31745,31749) = 1007872005