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What is the Least Common Multiple of 501 and 511?

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 501 and 511 is 256011.

LCM(501,511) = 256011

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Least Common Multiple of 501 and 511 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 501 and 511, than apply into the LCM equation.

GCF(501,511) = 1
LCM(501,511) = ( 501 × 511) / 1
LCM(501,511) = 256011 / 1
LCM(501,511) = 256011

Least Common Multiple (LCM) of 501 and 511 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 501 and 511. First we will calculate the prime factors of 501 and 511.

Prime Factorization of 501

Prime factors of 501 are 3, 167. Prime factorization of 501 in exponential form is:

501 = 31 × 1671

Prime Factorization of 511

Prime factors of 511 are 7, 73. Prime factorization of 511 in exponential form is:

511 = 71 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 501 and 511.

LCM(501,511) = 31 × 1671 × 71 × 731
LCM(501,511) = 256011