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What is the Least Common Multiple of 66882 and 66890?

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 66882 and 66890 is 2236868490.

LCM(66882,66890) = 2236868490

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Least Common Multiple of 66882 and 66890 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66882 and 66890, than apply into the LCM equation.

GCF(66882,66890) = 2
LCM(66882,66890) = ( 66882 × 66890) / 2
LCM(66882,66890) = 4473736980 / 2
LCM(66882,66890) = 2236868490

Least Common Multiple (LCM) of 66882 and 66890 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66882 and 66890. First we will calculate the prime factors of 66882 and 66890.

Prime Factorization of 66882

Prime factors of 66882 are 2, 3, 71, 157. Prime factorization of 66882 in exponential form is:

66882 = 21 × 31 × 711 × 1571

Prime Factorization of 66890

Prime factors of 66890 are 2, 5, 6689. Prime factorization of 66890 in exponential form is:

66890 = 21 × 51 × 66891

Now multiplying the highest exponent prime factors to calculate the LCM of 66882 and 66890.

LCM(66882,66890) = 21 × 31 × 711 × 1571 × 51 × 66891
LCM(66882,66890) = 2236868490