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What is the Least Common Multiple of 75558 and 75565?

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 75558 and 75565 is 815648610.

LCM(75558,75565) = 815648610

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Least Common Multiple of 75558 and 75565 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75558 and 75565, than apply into the LCM equation.

GCF(75558,75565) = 7
LCM(75558,75565) = ( 75558 × 75565) / 7
LCM(75558,75565) = 5709540270 / 7
LCM(75558,75565) = 815648610

Least Common Multiple (LCM) of 75558 and 75565 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75558 and 75565. First we will calculate the prime factors of 75558 and 75565.

Prime Factorization of 75558

Prime factors of 75558 are 2, 3, 7, 257. Prime factorization of 75558 in exponential form is:

75558 = 21 × 31 × 72 × 2571

Prime Factorization of 75565

Prime factors of 75565 are 5, 7, 17, 127. Prime factorization of 75565 in exponential form is:

75565 = 51 × 71 × 171 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 75558 and 75565.

LCM(75558,75565) = 21 × 31 × 72 × 2571 × 51 × 171 × 1271
LCM(75558,75565) = 815648610