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What is the Least Common Multiple of 1449 and 1465?

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 1449 and 1465 is 2122785.

LCM(1449,1465) = 2122785

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Least Common Multiple of 1449 and 1465 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1449 and 1465, than apply into the LCM equation.

GCF(1449,1465) = 1
LCM(1449,1465) = ( 1449 × 1465) / 1
LCM(1449,1465) = 2122785 / 1
LCM(1449,1465) = 2122785

Least Common Multiple (LCM) of 1449 and 1465 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1449 and 1465. First we will calculate the prime factors of 1449 and 1465.

Prime Factorization of 1449

Prime factors of 1449 are 3, 7, 23. Prime factorization of 1449 in exponential form is:

1449 = 32 × 71 × 231

Prime Factorization of 1465

Prime factors of 1465 are 5, 293. Prime factorization of 1465 in exponential form is:

1465 = 51 × 2931

Now multiplying the highest exponent prime factors to calculate the LCM of 1449 and 1465.

LCM(1449,1465) = 32 × 71 × 231 × 51 × 2931
LCM(1449,1465) = 2122785