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What is the Least Common Multiple of 18429 and 18435?

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 18429 and 18435 is 113246205.

LCM(18429,18435) = 113246205

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Least Common Multiple of 18429 and 18435 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18429 and 18435, than apply into the LCM equation.

GCF(18429,18435) = 3
LCM(18429,18435) = ( 18429 × 18435) / 3
LCM(18429,18435) = 339738615 / 3
LCM(18429,18435) = 113246205

Least Common Multiple (LCM) of 18429 and 18435 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18429 and 18435. First we will calculate the prime factors of 18429 and 18435.

Prime Factorization of 18429

Prime factors of 18429 are 3, 6143. Prime factorization of 18429 in exponential form is:

18429 = 31 × 61431

Prime Factorization of 18435

Prime factors of 18435 are 3, 5, 1229. Prime factorization of 18435 in exponential form is:

18435 = 31 × 51 × 12291

Now multiplying the highest exponent prime factors to calculate the LCM of 18429 and 18435.

LCM(18429,18435) = 31 × 61431 × 51 × 12291
LCM(18429,18435) = 113246205