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What is the Least Common Multiple of 65395 and 65408?

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 65395 and 65408 is 4277356160.

LCM(65395,65408) = 4277356160

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Least Common Multiple of 65395 and 65408 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65395 and 65408, than apply into the LCM equation.

GCF(65395,65408) = 1
LCM(65395,65408) = ( 65395 × 65408) / 1
LCM(65395,65408) = 4277356160 / 1
LCM(65395,65408) = 4277356160

Least Common Multiple (LCM) of 65395 and 65408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65395 and 65408. First we will calculate the prime factors of 65395 and 65408.

Prime Factorization of 65395

Prime factors of 65395 are 5, 11, 29, 41. Prime factorization of 65395 in exponential form is:

65395 = 51 × 111 × 291 × 411

Prime Factorization of 65408

Prime factors of 65408 are 2, 7, 73. Prime factorization of 65408 in exponential form is:

65408 = 27 × 71 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 65395 and 65408.

LCM(65395,65408) = 51 × 111 × 291 × 411 × 27 × 71 × 731
LCM(65395,65408) = 4277356160