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What is the Least Common Multiple of 18435 and 18451?

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 18435 and 18451 is 340144185.

LCM(18435,18451) = 340144185

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Least Common Multiple of 18435 and 18451 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18435 and 18451, than apply into the LCM equation.

GCF(18435,18451) = 1
LCM(18435,18451) = ( 18435 × 18451) / 1
LCM(18435,18451) = 340144185 / 1
LCM(18435,18451) = 340144185

Least Common Multiple (LCM) of 18435 and 18451 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18435 and 18451. First we will calculate the prime factors of 18435 and 18451.

Prime Factorization of 18435

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

18435 = 31 × 51 × 12291

Prime Factorization of 18451

Prime factors of 18451 are 18451. Prime factorization of 18451 in exponential form is:

18451 = 184511

Now multiplying the highest exponent prime factors to calculate the LCM of 18435 and 18451.

LCM(18435,18451) = 31 × 51 × 12291 × 184511
LCM(18435,18451) = 340144185