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What is the Least Common Multiple of 10689 and 10708?

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 10689 and 10708 is 114457812.

LCM(10689,10708) = 114457812

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Least Common Multiple of 10689 and 10708 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10689 and 10708, than apply into the LCM equation.

GCF(10689,10708) = 1
LCM(10689,10708) = ( 10689 × 10708) / 1
LCM(10689,10708) = 114457812 / 1
LCM(10689,10708) = 114457812

Least Common Multiple (LCM) of 10689 and 10708 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10689 and 10708. First we will calculate the prime factors of 10689 and 10708.

Prime Factorization of 10689

Prime factors of 10689 are 3, 7, 509. Prime factorization of 10689 in exponential form is:

10689 = 31 × 71 × 5091

Prime Factorization of 10708

Prime factors of 10708 are 2, 2677. Prime factorization of 10708 in exponential form is:

10708 = 22 × 26771

Now multiplying the highest exponent prime factors to calculate the LCM of 10689 and 10708.

LCM(10689,10708) = 31 × 71 × 5091 × 22 × 26771
LCM(10689,10708) = 114457812