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What is the Least Common Multiple of 10690 and 10698?

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 10690 and 10698 is 57180810.

LCM(10690,10698) = 57180810

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Least Common Multiple of 10690 and 10698 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10690 and 10698, than apply into the LCM equation.

GCF(10690,10698) = 2
LCM(10690,10698) = ( 10690 × 10698) / 2
LCM(10690,10698) = 114361620 / 2
LCM(10690,10698) = 57180810

Least Common Multiple (LCM) of 10690 and 10698 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10690 and 10698. First we will calculate the prime factors of 10690 and 10698.

Prime Factorization of 10690

Prime factors of 10690 are 2, 5, 1069. Prime factorization of 10690 in exponential form is:

10690 = 21 × 51 × 10691

Prime Factorization of 10698

Prime factors of 10698 are 2, 3, 1783. Prime factorization of 10698 in exponential form is:

10698 = 21 × 31 × 17831

Now multiplying the highest exponent prime factors to calculate the LCM of 10690 and 10698.

LCM(10690,10698) = 21 × 51 × 10691 × 31 × 17831
LCM(10690,10698) = 57180810