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What is the Least Common Multiple of 17968 and 17987?

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 17968 and 17987 is 323190416.

LCM(17968,17987) = 323190416

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Least Common Multiple of 17968 and 17987 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17968 and 17987, than apply into the LCM equation.

GCF(17968,17987) = 1
LCM(17968,17987) = ( 17968 × 17987) / 1
LCM(17968,17987) = 323190416 / 1
LCM(17968,17987) = 323190416

Least Common Multiple (LCM) of 17968 and 17987 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17968 and 17987. First we will calculate the prime factors of 17968 and 17987.

Prime Factorization of 17968

Prime factors of 17968 are 2, 1123. Prime factorization of 17968 in exponential form is:

17968 = 24 × 11231

Prime Factorization of 17987

Prime factors of 17987 are 17987. Prime factorization of 17987 in exponential form is:

17987 = 179871

Now multiplying the highest exponent prime factors to calculate the LCM of 17968 and 17987.

LCM(17968,17987) = 24 × 11231 × 179871
LCM(17968,17987) = 323190416