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What is the Least Common Multiple of 31855 and 31864?

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 31855 and 31864 is 1015027720.

LCM(31855,31864) = 1015027720

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Least Common Multiple of 31855 and 31864 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31855 and 31864, than apply into the LCM equation.

GCF(31855,31864) = 1
LCM(31855,31864) = ( 31855 × 31864) / 1
LCM(31855,31864) = 1015027720 / 1
LCM(31855,31864) = 1015027720

Least Common Multiple (LCM) of 31855 and 31864 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31855 and 31864. First we will calculate the prime factors of 31855 and 31864.

Prime Factorization of 31855

Prime factors of 31855 are 5, 23, 277. Prime factorization of 31855 in exponential form is:

31855 = 51 × 231 × 2771

Prime Factorization of 31864

Prime factors of 31864 are 2, 7, 569. Prime factorization of 31864 in exponential form is:

31864 = 23 × 71 × 5691

Now multiplying the highest exponent prime factors to calculate the LCM of 31855 and 31864.

LCM(31855,31864) = 51 × 231 × 2771 × 23 × 71 × 5691
LCM(31855,31864) = 1015027720