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What is the Least Common Multiple of 500 and 505?

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 500 and 505 is 50500.

LCM(500,505) = 50500

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Least Common Multiple of 500 and 505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 500 and 505, than apply into the LCM equation.

GCF(500,505) = 5
LCM(500,505) = ( 500 × 505) / 5
LCM(500,505) = 252500 / 5
LCM(500,505) = 50500

Least Common Multiple (LCM) of 500 and 505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 500 and 505. First we will calculate the prime factors of 500 and 505.

Prime Factorization of 500

Prime factors of 500 are 2, 5. Prime factorization of 500 in exponential form is:

500 = 22 × 53

Prime Factorization of 505

Prime factors of 505 are 5, 101. Prime factorization of 505 in exponential form is:

505 = 51 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 500 and 505.

LCM(500,505) = 22 × 53 × 1011
LCM(500,505) = 50500