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What is the Least Common Multiple of 9581 and 9590?

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 9581 and 9590 is 91881790.

LCM(9581,9590) = 91881790

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Least Common Multiple of 9581 and 9590 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9581 and 9590, than apply into the LCM equation.

GCF(9581,9590) = 1
LCM(9581,9590) = ( 9581 × 9590) / 1
LCM(9581,9590) = 91881790 / 1
LCM(9581,9590) = 91881790

Least Common Multiple (LCM) of 9581 and 9590 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9581 and 9590. First we will calculate the prime factors of 9581 and 9590.

Prime Factorization of 9581

Prime factors of 9581 are 11, 13, 67. Prime factorization of 9581 in exponential form is:

9581 = 111 × 131 × 671

Prime Factorization of 9590

Prime factors of 9590 are 2, 5, 7, 137. Prime factorization of 9590 in exponential form is:

9590 = 21 × 51 × 71 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 9581 and 9590.

LCM(9581,9590) = 111 × 131 × 671 × 21 × 51 × 71 × 1371
LCM(9581,9590) = 91881790