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What is the Least Common Multiple of 65480 and 65488?

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 65480 and 65488 is 536019280.

LCM(65480,65488) = 536019280

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Least Common Multiple of 65480 and 65488 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65480 and 65488, than apply into the LCM equation.

GCF(65480,65488) = 8
LCM(65480,65488) = ( 65480 × 65488) / 8
LCM(65480,65488) = 4288154240 / 8
LCM(65480,65488) = 536019280

Least Common Multiple (LCM) of 65480 and 65488 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65480 and 65488. First we will calculate the prime factors of 65480 and 65488.

Prime Factorization of 65480

Prime factors of 65480 are 2, 5, 1637. Prime factorization of 65480 in exponential form is:

65480 = 23 × 51 × 16371

Prime Factorization of 65488

Prime factors of 65488 are 2, 4093. Prime factorization of 65488 in exponential form is:

65488 = 24 × 40931

Now multiplying the highest exponent prime factors to calculate the LCM of 65480 and 65488.

LCM(65480,65488) = 24 × 51 × 16371 × 40931
LCM(65480,65488) = 536019280