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What is the Least Common Multiple of 21262 and 21281?

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 21262 and 21281 is 452476622.

LCM(21262,21281) = 452476622

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Least Common Multiple of 21262 and 21281 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21262 and 21281, than apply into the LCM equation.

GCF(21262,21281) = 1
LCM(21262,21281) = ( 21262 × 21281) / 1
LCM(21262,21281) = 452476622 / 1
LCM(21262,21281) = 452476622

Least Common Multiple (LCM) of 21262 and 21281 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21262 and 21281. First we will calculate the prime factors of 21262 and 21281.

Prime Factorization of 21262

Prime factors of 21262 are 2, 10631. Prime factorization of 21262 in exponential form is:

21262 = 21 × 106311

Prime Factorization of 21281

Prime factors of 21281 are 13, 1637. Prime factorization of 21281 in exponential form is:

21281 = 131 × 16371

Now multiplying the highest exponent prime factors to calculate the LCM of 21262 and 21281.

LCM(21262,21281) = 21 × 106311 × 131 × 16371
LCM(21262,21281) = 452476622