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What is the Least Common Multiple of 69789 and 69805?

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 69789 and 69805 is 4871621145.

LCM(69789,69805) = 4871621145

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Least Common Multiple of 69789 and 69805 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69789 and 69805, than apply into the LCM equation.

GCF(69789,69805) = 1
LCM(69789,69805) = ( 69789 × 69805) / 1
LCM(69789,69805) = 4871621145 / 1
LCM(69789,69805) = 4871621145

Least Common Multiple (LCM) of 69789 and 69805 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69789 and 69805. First we will calculate the prime factors of 69789 and 69805.

Prime Factorization of 69789

Prime factors of 69789 are 3, 43, 541. Prime factorization of 69789 in exponential form is:

69789 = 31 × 431 × 5411

Prime Factorization of 69805

Prime factors of 69805 are 5, 23, 607. Prime factorization of 69805 in exponential form is:

69805 = 51 × 231 × 6071

Now multiplying the highest exponent prime factors to calculate the LCM of 69789 and 69805.

LCM(69789,69805) = 31 × 431 × 5411 × 51 × 231 × 6071
LCM(69789,69805) = 4871621145