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What is the Least Common Multiple of 66870 and 66881?

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 66870 and 66881 is 4472332470.

LCM(66870,66881) = 4472332470

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Least Common Multiple of 66870 and 66881 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66870 and 66881, than apply into the LCM equation.

GCF(66870,66881) = 1
LCM(66870,66881) = ( 66870 × 66881) / 1
LCM(66870,66881) = 4472332470 / 1
LCM(66870,66881) = 4472332470

Least Common Multiple (LCM) of 66870 and 66881 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66870 and 66881. First we will calculate the prime factors of 66870 and 66881.

Prime Factorization of 66870

Prime factors of 66870 are 2, 3, 5, 743. Prime factorization of 66870 in exponential form is:

66870 = 21 × 32 × 51 × 7431

Prime Factorization of 66881

Prime factors of 66881 are 47, 1423. Prime factorization of 66881 in exponential form is:

66881 = 471 × 14231

Now multiplying the highest exponent prime factors to calculate the LCM of 66870 and 66881.

LCM(66870,66881) = 21 × 32 × 51 × 7431 × 471 × 14231
LCM(66870,66881) = 4472332470