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What is the Least Common Multiple of 65238 and 65248?

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 65238 and 65248 is 2128324512.

LCM(65238,65248) = 2128324512

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Least Common Multiple of 65238 and 65248 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65238 and 65248, than apply into the LCM equation.

GCF(65238,65248) = 2
LCM(65238,65248) = ( 65238 × 65248) / 2
LCM(65238,65248) = 4256649024 / 2
LCM(65238,65248) = 2128324512

Least Common Multiple (LCM) of 65238 and 65248 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65238 and 65248. First we will calculate the prime factors of 65238 and 65248.

Prime Factorization of 65238

Prime factors of 65238 are 2, 3, 83, 131. Prime factorization of 65238 in exponential form is:

65238 = 21 × 31 × 831 × 1311

Prime Factorization of 65248

Prime factors of 65248 are 2, 2039. Prime factorization of 65248 in exponential form is:

65248 = 25 × 20391

Now multiplying the highest exponent prime factors to calculate the LCM of 65238 and 65248.

LCM(65238,65248) = 25 × 31 × 831 × 1311 × 20391
LCM(65238,65248) = 2128324512