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What is the Least Common Multiple of 31742 and 31755?

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 31742 and 31755 is 1007967210.

LCM(31742,31755) = 1007967210

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Least Common Multiple of 31742 and 31755 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31742 and 31755, than apply into the LCM equation.

GCF(31742,31755) = 1
LCM(31742,31755) = ( 31742 × 31755) / 1
LCM(31742,31755) = 1007967210 / 1
LCM(31742,31755) = 1007967210

Least Common Multiple (LCM) of 31742 and 31755 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31742 and 31755. First we will calculate the prime factors of 31742 and 31755.

Prime Factorization of 31742

Prime factors of 31742 are 2, 59, 269. Prime factorization of 31742 in exponential form is:

31742 = 21 × 591 × 2691

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

Now multiplying the highest exponent prime factors to calculate the LCM of 31742 and 31755.

LCM(31742,31755) = 21 × 591 × 2691 × 31 × 51 × 291 × 731
LCM(31742,31755) = 1007967210