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What is the Least Common Multiple of 31820 and 31827?

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 31820 and 31827 is 1012735140.

LCM(31820,31827) = 1012735140

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Least Common Multiple of 31820 and 31827 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31820 and 31827, than apply into the LCM equation.

GCF(31820,31827) = 1
LCM(31820,31827) = ( 31820 × 31827) / 1
LCM(31820,31827) = 1012735140 / 1
LCM(31820,31827) = 1012735140

Least Common Multiple (LCM) of 31820 and 31827 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31820 and 31827. First we will calculate the prime factors of 31820 and 31827.

Prime Factorization of 31820

Prime factors of 31820 are 2, 5, 37, 43. Prime factorization of 31820 in exponential form is:

31820 = 22 × 51 × 371 × 431

Prime Factorization of 31827

Prime factors of 31827 are 3, 103. Prime factorization of 31827 in exponential form is:

31827 = 31 × 1032

Now multiplying the highest exponent prime factors to calculate the LCM of 31820 and 31827.

LCM(31820,31827) = 22 × 51 × 371 × 431 × 31 × 1032
LCM(31820,31827) = 1012735140