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What is the Least Common Multiple of 21659 and 21674?

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 21659 and 21674 is 469437166.

LCM(21659,21674) = 469437166

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Least Common Multiple of 21659 and 21674 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21659 and 21674, than apply into the LCM equation.

GCF(21659,21674) = 1
LCM(21659,21674) = ( 21659 × 21674) / 1
LCM(21659,21674) = 469437166 / 1
LCM(21659,21674) = 469437166

Least Common Multiple (LCM) of 21659 and 21674 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21659 and 21674. First we will calculate the prime factors of 21659 and 21674.

Prime Factorization of 21659

Prime factors of 21659 are 11, 179. Prime factorization of 21659 in exponential form is:

21659 = 112 × 1791

Prime Factorization of 21674

Prime factors of 21674 are 2, 10837. Prime factorization of 21674 in exponential form is:

21674 = 21 × 108371

Now multiplying the highest exponent prime factors to calculate the LCM of 21659 and 21674.

LCM(21659,21674) = 112 × 1791 × 21 × 108371
LCM(21659,21674) = 469437166