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What is the Least Common Multiple of 65469 and 65485?

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 65469 and 65485 is 4287237465.

LCM(65469,65485) = 4287237465

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Least Common Multiple of 65469 and 65485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65469 and 65485, than apply into the LCM equation.

GCF(65469,65485) = 1
LCM(65469,65485) = ( 65469 × 65485) / 1
LCM(65469,65485) = 4287237465 / 1
LCM(65469,65485) = 4287237465

Least Common Multiple (LCM) of 65469 and 65485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65469 and 65485. First we will calculate the prime factors of 65469 and 65485.

Prime Factorization of 65469

Prime factors of 65469 are 3, 139, 157. Prime factorization of 65469 in exponential form is:

65469 = 31 × 1391 × 1571

Prime Factorization of 65485

Prime factors of 65485 are 5, 7, 1871. Prime factorization of 65485 in exponential form is:

65485 = 51 × 71 × 18711

Now multiplying the highest exponent prime factors to calculate the LCM of 65469 and 65485.

LCM(65469,65485) = 31 × 1391 × 1571 × 51 × 71 × 18711
LCM(65469,65485) = 4287237465