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What is the Least Common Multiple of 69645 and 69658?

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 69645 and 69658 is 4851331410.

LCM(69645,69658) = 4851331410

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Least Common Multiple of 69645 and 69658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69645 and 69658, than apply into the LCM equation.

GCF(69645,69658) = 1
LCM(69645,69658) = ( 69645 × 69658) / 1
LCM(69645,69658) = 4851331410 / 1
LCM(69645,69658) = 4851331410

Least Common Multiple (LCM) of 69645 and 69658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69645 and 69658. First we will calculate the prime factors of 69645 and 69658.

Prime Factorization of 69645

Prime factors of 69645 are 3, 5, 4643. Prime factorization of 69645 in exponential form is:

69645 = 31 × 51 × 46431

Prime Factorization of 69658

Prime factors of 69658 are 2, 29, 1201. Prime factorization of 69658 in exponential form is:

69658 = 21 × 291 × 12011

Now multiplying the highest exponent prime factors to calculate the LCM of 69645 and 69658.

LCM(69645,69658) = 31 × 51 × 46431 × 21 × 291 × 12011
LCM(69645,69658) = 4851331410