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What is the Least Common Multiple of 1489 and 1502?

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 1489 and 1502 is 2236478.

LCM(1489,1502) = 2236478

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Least Common Multiple of 1489 and 1502 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1489 and 1502, than apply into the LCM equation.

GCF(1489,1502) = 1
LCM(1489,1502) = ( 1489 × 1502) / 1
LCM(1489,1502) = 2236478 / 1
LCM(1489,1502) = 2236478

Least Common Multiple (LCM) of 1489 and 1502 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1489 and 1502. First we will calculate the prime factors of 1489 and 1502.

Prime Factorization of 1489

Prime factors of 1489 are 1489. Prime factorization of 1489 in exponential form is:

1489 = 14891

Prime Factorization of 1502

Prime factors of 1502 are 2, 751. Prime factorization of 1502 in exponential form is:

1502 = 21 × 7511

Now multiplying the highest exponent prime factors to calculate the LCM of 1489 and 1502.

LCM(1489,1502) = 14891 × 21 × 7511
LCM(1489,1502) = 2236478