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What is the Least Common Multiple of 493 and 502?

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 493 and 502 is 247486.

LCM(493,502) = 247486

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Least Common Multiple of 493 and 502 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 493 and 502, than apply into the LCM equation.

GCF(493,502) = 1
LCM(493,502) = ( 493 × 502) / 1
LCM(493,502) = 247486 / 1
LCM(493,502) = 247486

Least Common Multiple (LCM) of 493 and 502 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 493 and 502. First we will calculate the prime factors of 493 and 502.

Prime Factorization of 493

Prime factors of 493 are 17, 29. Prime factorization of 493 in exponential form is:

493 = 171 × 291

Prime Factorization of 502

Prime factors of 502 are 2, 251. Prime factorization of 502 in exponential form is:

502 = 21 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 493 and 502.

LCM(493,502) = 171 × 291 × 21 × 2511
LCM(493,502) = 247486