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What is the Least Common Multiple of 66955 and 66960?

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 66955 and 66960 is 896661360.

LCM(66955,66960) = 896661360

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Least Common Multiple of 66955 and 66960 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66955 and 66960, than apply into the LCM equation.

GCF(66955,66960) = 5
LCM(66955,66960) = ( 66955 × 66960) / 5
LCM(66955,66960) = 4483306800 / 5
LCM(66955,66960) = 896661360

Least Common Multiple (LCM) of 66955 and 66960 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66955 and 66960. First we will calculate the prime factors of 66955 and 66960.

Prime Factorization of 66955

Prime factors of 66955 are 5, 7, 1913. Prime factorization of 66955 in exponential form is:

66955 = 51 × 71 × 19131

Prime Factorization of 66960

Prime factors of 66960 are 2, 3, 5, 31. Prime factorization of 66960 in exponential form is:

66960 = 24 × 33 × 51 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 66955 and 66960.

LCM(66955,66960) = 51 × 71 × 19131 × 24 × 33 × 311
LCM(66955,66960) = 896661360