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What is the Least Common Multiple of 20615 and 20633?

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 20615 and 20633 is 425349295.

LCM(20615,20633) = 425349295

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Least Common Multiple of 20615 and 20633 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20615 and 20633, than apply into the LCM equation.

GCF(20615,20633) = 1
LCM(20615,20633) = ( 20615 × 20633) / 1
LCM(20615,20633) = 425349295 / 1
LCM(20615,20633) = 425349295

Least Common Multiple (LCM) of 20615 and 20633 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20615 and 20633. First we will calculate the prime factors of 20615 and 20633.

Prime Factorization of 20615

Prime factors of 20615 are 5, 7, 19, 31. Prime factorization of 20615 in exponential form is:

20615 = 51 × 71 × 191 × 311

Prime Factorization of 20633

Prime factors of 20633 are 47, 439. Prime factorization of 20633 in exponential form is:

20633 = 471 × 4391

Now multiplying the highest exponent prime factors to calculate the LCM of 20615 and 20633.

LCM(20615,20633) = 51 × 71 × 191 × 311 × 471 × 4391
LCM(20615,20633) = 425349295