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What is the Least Common Multiple of 9620 and 9632?

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 9620 and 9632 is 23164960.

LCM(9620,9632) = 23164960

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Least Common Multiple of 9620 and 9632 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9620 and 9632, than apply into the LCM equation.

GCF(9620,9632) = 4
LCM(9620,9632) = ( 9620 × 9632) / 4
LCM(9620,9632) = 92659840 / 4
LCM(9620,9632) = 23164960

Least Common Multiple (LCM) of 9620 and 9632 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9620 and 9632. First we will calculate the prime factors of 9620 and 9632.

Prime Factorization of 9620

Prime factors of 9620 are 2, 5, 13, 37. Prime factorization of 9620 in exponential form is:

9620 = 22 × 51 × 131 × 371

Prime Factorization of 9632

Prime factors of 9632 are 2, 7, 43. Prime factorization of 9632 in exponential form is:

9632 = 25 × 71 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 9620 and 9632.

LCM(9620,9632) = 25 × 51 × 131 × 371 × 71 × 431
LCM(9620,9632) = 23164960