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What is the Least Common Multiple of 16669 and 16689?

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 16669 and 16689 is 278188941.

LCM(16669,16689) = 278188941

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Least Common Multiple of 16669 and 16689 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16669 and 16689, than apply into the LCM equation.

GCF(16669,16689) = 1
LCM(16669,16689) = ( 16669 × 16689) / 1
LCM(16669,16689) = 278188941 / 1
LCM(16669,16689) = 278188941

Least Common Multiple (LCM) of 16669 and 16689 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16669 and 16689. First we will calculate the prime factors of 16669 and 16689.

Prime Factorization of 16669

Prime factors of 16669 are 79, 211. Prime factorization of 16669 in exponential form is:

16669 = 791 × 2111

Prime Factorization of 16689

Prime factors of 16689 are 3, 5563. Prime factorization of 16689 in exponential form is:

16689 = 31 × 55631

Now multiplying the highest exponent prime factors to calculate the LCM of 16669 and 16689.

LCM(16669,16689) = 791 × 2111 × 31 × 55631
LCM(16669,16689) = 278188941