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What is the Least Common Multiple of 20532 and 20542?

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 20532 and 20542 is 210884172.

LCM(20532,20542) = 210884172

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Least Common Multiple of 20532 and 20542 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20532 and 20542, than apply into the LCM equation.

GCF(20532,20542) = 2
LCM(20532,20542) = ( 20532 × 20542) / 2
LCM(20532,20542) = 421768344 / 2
LCM(20532,20542) = 210884172

Least Common Multiple (LCM) of 20532 and 20542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20532 and 20542. First we will calculate the prime factors of 20532 and 20542.

Prime Factorization of 20532

Prime factors of 20532 are 2, 3, 29, 59. Prime factorization of 20532 in exponential form is:

20532 = 22 × 31 × 291 × 591

Prime Factorization of 20542

Prime factors of 20542 are 2, 10271. Prime factorization of 20542 in exponential form is:

20542 = 21 × 102711

Now multiplying the highest exponent prime factors to calculate the LCM of 20532 and 20542.

LCM(20532,20542) = 22 × 31 × 291 × 591 × 102711
LCM(20532,20542) = 210884172