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What is the Least Common Multiple of 21229 and 21245?

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 21245 is 451010105.

LCM(21229,21245) = 451010105

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Least Common Multiple of 21229 and 21245 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 21245, than apply into the LCM equation.

GCF(21229,21245) = 1
LCM(21229,21245) = ( 21229 × 21245) / 1
LCM(21229,21245) = 451010105 / 1
LCM(21229,21245) = 451010105

Least Common Multiple (LCM) of 21229 and 21245 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21229 and 21245. First we will calculate the prime factors of 21229 and 21245.

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 21245

Prime factors of 21245 are 5, 7, 607. Prime factorization of 21245 in exponential form is:

21245 = 51 × 71 × 6071

Now multiplying the highest exponent prime factors to calculate the LCM of 21229 and 21245.

LCM(21229,21245) = 131 × 231 × 711 × 51 × 71 × 6071
LCM(21229,21245) = 451010105