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What is the Least Common Multiple of 20776 and 20793?

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 20776 and 20793 is 431995368.

LCM(20776,20793) = 431995368

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Least Common Multiple of 20776 and 20793 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20776 and 20793, than apply into the LCM equation.

GCF(20776,20793) = 1
LCM(20776,20793) = ( 20776 × 20793) / 1
LCM(20776,20793) = 431995368 / 1
LCM(20776,20793) = 431995368

Least Common Multiple (LCM) of 20776 and 20793 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20776 and 20793. First we will calculate the prime factors of 20776 and 20793.

Prime Factorization of 20776

Prime factors of 20776 are 2, 7, 53. Prime factorization of 20776 in exponential form is:

20776 = 23 × 72 × 531

Prime Factorization of 20793

Prime factors of 20793 are 3, 29, 239. Prime factorization of 20793 in exponential form is:

20793 = 31 × 291 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 20776 and 20793.

LCM(20776,20793) = 23 × 72 × 531 × 31 × 291 × 2391
LCM(20776,20793) = 431995368