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What is the Least Common Multiple of 51289 and 51305?

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 51289 and 51305 is 2631382145.

LCM(51289,51305) = 2631382145

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Least Common Multiple of 51289 and 51305 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51289 and 51305, than apply into the LCM equation.

GCF(51289,51305) = 1
LCM(51289,51305) = ( 51289 × 51305) / 1
LCM(51289,51305) = 2631382145 / 1
LCM(51289,51305) = 2631382145

Least Common Multiple (LCM) of 51289 and 51305 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51289 and 51305. First we will calculate the prime factors of 51289 and 51305.

Prime Factorization of 51289

Prime factors of 51289 are 7, 17, 431. Prime factorization of 51289 in exponential form is:

51289 = 71 × 171 × 4311

Prime Factorization of 51305

Prime factors of 51305 are 5, 31, 331. Prime factorization of 51305 in exponential form is:

51305 = 51 × 311 × 3311

Now multiplying the highest exponent prime factors to calculate the LCM of 51289 and 51305.

LCM(51289,51305) = 71 × 171 × 4311 × 51 × 311 × 3311
LCM(51289,51305) = 2631382145