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What is the Least Common Multiple of 69105 and 69110?

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 69105 and 69110 is 955169310.

LCM(69105,69110) = 955169310

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Least Common Multiple of 69105 and 69110 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69105 and 69110, than apply into the LCM equation.

GCF(69105,69110) = 5
LCM(69105,69110) = ( 69105 × 69110) / 5
LCM(69105,69110) = 4775846550 / 5
LCM(69105,69110) = 955169310

Least Common Multiple (LCM) of 69105 and 69110 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69105 and 69110. First we will calculate the prime factors of 69105 and 69110.

Prime Factorization of 69105

Prime factors of 69105 are 3, 5, 17, 271. Prime factorization of 69105 in exponential form is:

69105 = 31 × 51 × 171 × 2711

Prime Factorization of 69110

Prime factors of 69110 are 2, 5, 6911. Prime factorization of 69110 in exponential form is:

69110 = 21 × 51 × 69111

Now multiplying the highest exponent prime factors to calculate the LCM of 69105 and 69110.

LCM(69105,69110) = 31 × 51 × 171 × 2711 × 21 × 69111
LCM(69105,69110) = 955169310