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What is the Least Common Multiple of 17674 and 17689?

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 17674 and 17689 is 312635386.

LCM(17674,17689) = 312635386

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Least Common Multiple of 17674 and 17689 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17674 and 17689, than apply into the LCM equation.

GCF(17674,17689) = 1
LCM(17674,17689) = ( 17674 × 17689) / 1
LCM(17674,17689) = 312635386 / 1
LCM(17674,17689) = 312635386

Least Common Multiple (LCM) of 17674 and 17689 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17674 and 17689. First we will calculate the prime factors of 17674 and 17689.

Prime Factorization of 17674

Prime factors of 17674 are 2, 8837. Prime factorization of 17674 in exponential form is:

17674 = 21 × 88371

Prime Factorization of 17689

Prime factors of 17689 are 7, 19. Prime factorization of 17689 in exponential form is:

17689 = 72 × 192

Now multiplying the highest exponent prime factors to calculate the LCM of 17674 and 17689.

LCM(17674,17689) = 21 × 88371 × 72 × 192
LCM(17674,17689) = 312635386