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What is the Least Common Multiple of 69140 and 69155?

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 69140 and 69155 is 956275340.

LCM(69140,69155) = 956275340

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Least Common Multiple of 69140 and 69155 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69140 and 69155, than apply into the LCM equation.

GCF(69140,69155) = 5
LCM(69140,69155) = ( 69140 × 69155) / 5
LCM(69140,69155) = 4781376700 / 5
LCM(69140,69155) = 956275340

Least Common Multiple (LCM) of 69140 and 69155 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69140 and 69155. First we will calculate the prime factors of 69140 and 69155.

Prime Factorization of 69140

Prime factors of 69140 are 2, 5, 3457. Prime factorization of 69140 in exponential form is:

69140 = 22 × 51 × 34571

Prime Factorization of 69155

Prime factors of 69155 are 5, 13831. Prime factorization of 69155 in exponential form is:

69155 = 51 × 138311

Now multiplying the highest exponent prime factors to calculate the LCM of 69140 and 69155.

LCM(69140,69155) = 22 × 51 × 34571 × 138311
LCM(69140,69155) = 956275340