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What is the Least Common Multiple of 20503 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 20503 and 20514 is 420598542.

LCM(20503,20514) = 420598542

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Least Common Multiple of 20503 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 20503 and 20514, than apply into the LCM equation.

GCF(20503,20514) = 1
LCM(20503,20514) = ( 20503 × 20514) / 1
LCM(20503,20514) = 420598542 / 1
LCM(20503,20514) = 420598542

Least Common Multiple (LCM) of 20503 and 20514 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20503 and 20514. First we will calculate the prime factors of 20503 and 20514.

Prime Factorization of 20503

Prime factors of 20503 are 7, 29, 101. Prime factorization of 20503 in exponential form is:

20503 = 71 × 291 × 1011

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 20503 and 20514.

LCM(20503,20514) = 71 × 291 × 1011 × 21 × 31 × 131 × 2631
LCM(20503,20514) = 420598542