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What is the Least Common Multiple of 20747 and 20760?

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 20747 and 20760 is 430707720.

LCM(20747,20760) = 430707720

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Least Common Multiple of 20747 and 20760 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20747 and 20760, than apply into the LCM equation.

GCF(20747,20760) = 1
LCM(20747,20760) = ( 20747 × 20760) / 1
LCM(20747,20760) = 430707720 / 1
LCM(20747,20760) = 430707720

Least Common Multiple (LCM) of 20747 and 20760 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20747 and 20760. First we will calculate the prime factors of 20747 and 20760.

Prime Factorization of 20747

Prime factors of 20747 are 20747. Prime factorization of 20747 in exponential form is:

20747 = 207471

Prime Factorization of 20760

Prime factors of 20760 are 2, 3, 5, 173. Prime factorization of 20760 in exponential form is:

20760 = 23 × 31 × 51 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 20747 and 20760.

LCM(20747,20760) = 207471 × 23 × 31 × 51 × 1731
LCM(20747,20760) = 430707720