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What is the Least Common Multiple of 960 and 975?

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 960 and 975 is 62400.

LCM(960,975) = 62400

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Least Common Multiple of 960 and 975 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 960 and 975, than apply into the LCM equation.

GCF(960,975) = 15
LCM(960,975) = ( 960 × 975) / 15
LCM(960,975) = 936000 / 15
LCM(960,975) = 62400

Least Common Multiple (LCM) of 960 and 975 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 960 and 975. First we will calculate the prime factors of 960 and 975.

Prime Factorization of 960

Prime factors of 960 are 2, 3, 5. Prime factorization of 960 in exponential form is:

960 = 26 × 31 × 51

Prime Factorization of 975

Prime factors of 975 are 3, 5, 13. Prime factorization of 975 in exponential form is:

975 = 31 × 52 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 960 and 975.

LCM(960,975) = 26 × 31 × 52 × 131
LCM(960,975) = 62400