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What is the Least Common Multiple of 20567 and 20580?

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 20567 and 20580 is 423268860.

LCM(20567,20580) = 423268860

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Least Common Multiple of 20567 and 20580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20567 and 20580, than apply into the LCM equation.

GCF(20567,20580) = 1
LCM(20567,20580) = ( 20567 × 20580) / 1
LCM(20567,20580) = 423268860 / 1
LCM(20567,20580) = 423268860

Least Common Multiple (LCM) of 20567 and 20580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20567 and 20580. First we will calculate the prime factors of 20567 and 20580.

Prime Factorization of 20567

Prime factors of 20567 are 131, 157. Prime factorization of 20567 in exponential form is:

20567 = 1311 × 1571

Prime Factorization of 20580

Prime factors of 20580 are 2, 3, 5, 7. Prime factorization of 20580 in exponential form is:

20580 = 22 × 31 × 51 × 73

Now multiplying the highest exponent prime factors to calculate the LCM of 20567 and 20580.

LCM(20567,20580) = 1311 × 1571 × 22 × 31 × 51 × 73
LCM(20567,20580) = 423268860