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What is the Least Common Multiple of 31946 and 31961?

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 31946 and 31961 is 1021026106.

LCM(31946,31961) = 1021026106

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Least Common Multiple of 31946 and 31961 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31946 and 31961, than apply into the LCM equation.

GCF(31946,31961) = 1
LCM(31946,31961) = ( 31946 × 31961) / 1
LCM(31946,31961) = 1021026106 / 1
LCM(31946,31961) = 1021026106

Least Common Multiple (LCM) of 31946 and 31961 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31946 and 31961. First we will calculate the prime factors of 31946 and 31961.

Prime Factorization of 31946

Prime factors of 31946 are 2, 15973. Prime factorization of 31946 in exponential form is:

31946 = 21 × 159731

Prime Factorization of 31961

Prime factors of 31961 are 31, 1031. Prime factorization of 31961 in exponential form is:

31961 = 311 × 10311

Now multiplying the highest exponent prime factors to calculate the LCM of 31946 and 31961.

LCM(31946,31961) = 21 × 159731 × 311 × 10311
LCM(31946,31961) = 1021026106