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What is the Least Common Multiple of 31535 and 31546?

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 31535 and 31546 is 994803110.

LCM(31535,31546) = 994803110

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Least Common Multiple of 31535 and 31546 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31535 and 31546, than apply into the LCM equation.

GCF(31535,31546) = 1
LCM(31535,31546) = ( 31535 × 31546) / 1
LCM(31535,31546) = 994803110 / 1
LCM(31535,31546) = 994803110

Least Common Multiple (LCM) of 31535 and 31546 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31535 and 31546. First we will calculate the prime factors of 31535 and 31546.

Prime Factorization of 31535

Prime factors of 31535 are 5, 7, 17, 53. Prime factorization of 31535 in exponential form is:

31535 = 51 × 71 × 171 × 531

Prime Factorization of 31546

Prime factors of 31546 are 2, 15773. Prime factorization of 31546 in exponential form is:

31546 = 21 × 157731

Now multiplying the highest exponent prime factors to calculate the LCM of 31535 and 31546.

LCM(31535,31546) = 51 × 71 × 171 × 531 × 21 × 157731
LCM(31535,31546) = 994803110