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What is the Least Common Multiple of 1444 and 1457?

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 1444 and 1457 is 2103908.

LCM(1444,1457) = 2103908

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Least Common Multiple of 1444 and 1457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1444 and 1457, than apply into the LCM equation.

GCF(1444,1457) = 1
LCM(1444,1457) = ( 1444 × 1457) / 1
LCM(1444,1457) = 2103908 / 1
LCM(1444,1457) = 2103908

Least Common Multiple (LCM) of 1444 and 1457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1444 and 1457. First we will calculate the prime factors of 1444 and 1457.

Prime Factorization of 1444

Prime factors of 1444 are 2, 19. Prime factorization of 1444 in exponential form is:

1444 = 22 × 192

Prime Factorization of 1457

Prime factors of 1457 are 31, 47. Prime factorization of 1457 in exponential form is:

1457 = 311 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 1444 and 1457.

LCM(1444,1457) = 22 × 192 × 311 × 471
LCM(1444,1457) = 2103908