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What is the Least Common Multiple of 9960 and 9973?

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 9960 and 9973 is 99331080.

LCM(9960,9973) = 99331080

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Least Common Multiple of 9960 and 9973 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9960 and 9973, than apply into the LCM equation.

GCF(9960,9973) = 1
LCM(9960,9973) = ( 9960 × 9973) / 1
LCM(9960,9973) = 99331080 / 1
LCM(9960,9973) = 99331080

Least Common Multiple (LCM) of 9960 and 9973 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9960 and 9973. First we will calculate the prime factors of 9960 and 9973.

Prime Factorization of 9960

Prime factors of 9960 are 2, 3, 5, 83. Prime factorization of 9960 in exponential form is:

9960 = 23 × 31 × 51 × 831

Prime Factorization of 9973

Prime factors of 9973 are 9973. Prime factorization of 9973 in exponential form is:

9973 = 99731

Now multiplying the highest exponent prime factors to calculate the LCM of 9960 and 9973.

LCM(9960,9973) = 23 × 31 × 51 × 831 × 99731
LCM(9960,9973) = 99331080