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What is the Least Common Multiple of 29670 and 29686?

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 29670 and 29686 is 440391810.

LCM(29670,29686) = 440391810

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Least Common Multiple of 29670 and 29686 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 29670 and 29686, than apply into the LCM equation.

GCF(29670,29686) = 2
LCM(29670,29686) = ( 29670 × 29686) / 2
LCM(29670,29686) = 880783620 / 2
LCM(29670,29686) = 440391810

Least Common Multiple (LCM) of 29670 and 29686 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 29670 and 29686. First we will calculate the prime factors of 29670 and 29686.

Prime Factorization of 29670

Prime factors of 29670 are 2, 3, 5, 23, 43. Prime factorization of 29670 in exponential form is:

29670 = 21 × 31 × 51 × 231 × 431

Prime Factorization of 29686

Prime factors of 29686 are 2, 14843. Prime factorization of 29686 in exponential form is:

29686 = 21 × 148431

Now multiplying the highest exponent prime factors to calculate the LCM of 29670 and 29686.

LCM(29670,29686) = 21 × 31 × 51 × 231 × 431 × 148431
LCM(29670,29686) = 440391810