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What is the Least Common Multiple of 67457 and 67465?

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 67457 and 67465 is 4550986505.

LCM(67457,67465) = 4550986505

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Least Common Multiple of 67457 and 67465 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67457 and 67465, than apply into the LCM equation.

GCF(67457,67465) = 1
LCM(67457,67465) = ( 67457 × 67465) / 1
LCM(67457,67465) = 4550986505 / 1
LCM(67457,67465) = 4550986505

Least Common Multiple (LCM) of 67457 and 67465 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67457 and 67465. First we will calculate the prime factors of 67457 and 67465.

Prime Factorization of 67457

Prime factors of 67457 are 13, 5189. Prime factorization of 67457 in exponential form is:

67457 = 131 × 51891

Prime Factorization of 67465

Prime factors of 67465 are 5, 103, 131. Prime factorization of 67465 in exponential form is:

67465 = 51 × 1031 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 67457 and 67465.

LCM(67457,67465) = 131 × 51891 × 51 × 1031 × 1311
LCM(67457,67465) = 4550986505