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What is the Least Common Multiple of 21484 and 21503?

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 21484 and 21503 is 461970452.

LCM(21484,21503) = 461970452

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Least Common Multiple of 21484 and 21503 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21484 and 21503, than apply into the LCM equation.

GCF(21484,21503) = 1
LCM(21484,21503) = ( 21484 × 21503) / 1
LCM(21484,21503) = 461970452 / 1
LCM(21484,21503) = 461970452

Least Common Multiple (LCM) of 21484 and 21503 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21484 and 21503. First we will calculate the prime factors of 21484 and 21503.

Prime Factorization of 21484

Prime factors of 21484 are 2, 41, 131. Prime factorization of 21484 in exponential form is:

21484 = 22 × 411 × 1311

Prime Factorization of 21503

Prime factors of 21503 are 21503. Prime factorization of 21503 in exponential form is:

21503 = 215031

Now multiplying the highest exponent prime factors to calculate the LCM of 21484 and 21503.

LCM(21484,21503) = 22 × 411 × 1311 × 215031
LCM(21484,21503) = 461970452