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What is the Least Common Multiple of 18956 and 18963?

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 18956 and 18963 is 51351804.

LCM(18956,18963) = 51351804

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Least Common Multiple of 18956 and 18963 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18956 and 18963, than apply into the LCM equation.

GCF(18956,18963) = 7
LCM(18956,18963) = ( 18956 × 18963) / 7
LCM(18956,18963) = 359462628 / 7
LCM(18956,18963) = 51351804

Least Common Multiple (LCM) of 18956 and 18963 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18956 and 18963. First we will calculate the prime factors of 18956 and 18963.

Prime Factorization of 18956

Prime factors of 18956 are 2, 7, 677. Prime factorization of 18956 in exponential form is:

18956 = 22 × 71 × 6771

Prime Factorization of 18963

Prime factors of 18963 are 3, 7, 43. Prime factorization of 18963 in exponential form is:

18963 = 32 × 72 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 18956 and 18963.

LCM(18956,18963) = 22 × 72 × 6771 × 32 × 431
LCM(18956,18963) = 51351804