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What is the Least Common Multiple of 64160 and 64165?

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 64160 and 64165 is 823365280.

LCM(64160,64165) = 823365280

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Least Common Multiple of 64160 and 64165 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64160 and 64165, than apply into the LCM equation.

GCF(64160,64165) = 5
LCM(64160,64165) = ( 64160 × 64165) / 5
LCM(64160,64165) = 4116826400 / 5
LCM(64160,64165) = 823365280

Least Common Multiple (LCM) of 64160 and 64165 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64160 and 64165. First we will calculate the prime factors of 64160 and 64165.

Prime Factorization of 64160

Prime factors of 64160 are 2, 5, 401. Prime factorization of 64160 in exponential form is:

64160 = 25 × 51 × 4011

Prime Factorization of 64165

Prime factors of 64165 are 5, 41, 313. Prime factorization of 64165 in exponential form is:

64165 = 51 × 411 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 64160 and 64165.

LCM(64160,64165) = 25 × 51 × 4011 × 411 × 3131
LCM(64160,64165) = 823365280