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What is the Least Common Multiple of 16971 and 16988?

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 16971 and 16988 is 288303348.

LCM(16971,16988) = 288303348

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Least Common Multiple of 16971 and 16988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16971 and 16988, than apply into the LCM equation.

GCF(16971,16988) = 1
LCM(16971,16988) = ( 16971 × 16988) / 1
LCM(16971,16988) = 288303348 / 1
LCM(16971,16988) = 288303348

Least Common Multiple (LCM) of 16971 and 16988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16971 and 16988. First we will calculate the prime factors of 16971 and 16988.

Prime Factorization of 16971

Prime factors of 16971 are 3, 5657. Prime factorization of 16971 in exponential form is:

16971 = 31 × 56571

Prime Factorization of 16988

Prime factors of 16988 are 2, 31, 137. Prime factorization of 16988 in exponential form is:

16988 = 22 × 311 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 16971 and 16988.

LCM(16971,16988) = 31 × 56571 × 22 × 311 × 1371
LCM(16971,16988) = 288303348