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What is the Least Common Multiple of 8480 and 8492?

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 8480 and 8492 is 18003040.

LCM(8480,8492) = 18003040

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Least Common Multiple of 8480 and 8492 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8480 and 8492, than apply into the LCM equation.

GCF(8480,8492) = 4
LCM(8480,8492) = ( 8480 × 8492) / 4
LCM(8480,8492) = 72012160 / 4
LCM(8480,8492) = 18003040

Least Common Multiple (LCM) of 8480 and 8492 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8480 and 8492. First we will calculate the prime factors of 8480 and 8492.

Prime Factorization of 8480

Prime factors of 8480 are 2, 5, 53. Prime factorization of 8480 in exponential form is:

8480 = 25 × 51 × 531

Prime Factorization of 8492

Prime factors of 8492 are 2, 11, 193. Prime factorization of 8492 in exponential form is:

8492 = 22 × 111 × 1931

Now multiplying the highest exponent prime factors to calculate the LCM of 8480 and 8492.

LCM(8480,8492) = 25 × 51 × 531 × 111 × 1931
LCM(8480,8492) = 18003040