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What is the Least Common Multiple of 20506 and 20514?

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 20506 and 20514 is 210330042.

LCM(20506,20514) = 210330042

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Least Common Multiple of 20506 and 20514 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20506 and 20514, than apply into the LCM equation.

GCF(20506,20514) = 2
LCM(20506,20514) = ( 20506 × 20514) / 2
LCM(20506,20514) = 420660084 / 2
LCM(20506,20514) = 210330042

Least Common Multiple (LCM) of 20506 and 20514 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20506 and 20514. First we will calculate the prime factors of 20506 and 20514.

Prime Factorization of 20506

Prime factors of 20506 are 2, 10253. Prime factorization of 20506 in exponential form is:

20506 = 21 × 102531

Prime Factorization of 20514

Prime factors of 20514 are 2, 3, 13, 263. Prime factorization of 20514 in exponential form is:

20514 = 21 × 31 × 131 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 20506 and 20514.

LCM(20506,20514) = 21 × 102531 × 31 × 131 × 2631
LCM(20506,20514) = 210330042