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What is the Least Common Multiple of 21229 and 21238?

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 21229 and 21238 is 450861502.

LCM(21229,21238) = 450861502

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Least Common Multiple of 21229 and 21238 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21229 and 21238, than apply into the LCM equation.

GCF(21229,21238) = 1
LCM(21229,21238) = ( 21229 × 21238) / 1
LCM(21229,21238) = 450861502 / 1
LCM(21229,21238) = 450861502

Least Common Multiple (LCM) of 21229 and 21238 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21229 and 21238. First we will calculate the prime factors of 21229 and 21238.

Prime Factorization of 21229

Prime factors of 21229 are 13, 23, 71. Prime factorization of 21229 in exponential form is:

21229 = 131 × 231 × 711

Prime Factorization of 21238

Prime factors of 21238 are 2, 7, 37, 41. Prime factorization of 21238 in exponential form is:

21238 = 21 × 71 × 371 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 21229 and 21238.

LCM(21229,21238) = 131 × 231 × 711 × 21 × 71 × 371 × 411
LCM(21229,21238) = 450861502