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What is the Least Common Multiple of 1480 and 1487?

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 1480 and 1487 is 2200760.

LCM(1480,1487) = 2200760

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Least Common Multiple of 1480 and 1487 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1480 and 1487, than apply into the LCM equation.

GCF(1480,1487) = 1
LCM(1480,1487) = ( 1480 × 1487) / 1
LCM(1480,1487) = 2200760 / 1
LCM(1480,1487) = 2200760

Least Common Multiple (LCM) of 1480 and 1487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1480 and 1487. First we will calculate the prime factors of 1480 and 1487.

Prime Factorization of 1480

Prime factors of 1480 are 2, 5, 37. Prime factorization of 1480 in exponential form is:

1480 = 23 × 51 × 371

Prime Factorization of 1487

Prime factors of 1487 are 1487. Prime factorization of 1487 in exponential form is:

1487 = 14871

Now multiplying the highest exponent prime factors to calculate the LCM of 1480 and 1487.

LCM(1480,1487) = 23 × 51 × 371 × 14871
LCM(1480,1487) = 2200760