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What is the Least Common Multiple of 66983 and 67003?

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 66983 and 67003 is 4488061949.

LCM(66983,67003) = 4488061949

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Least Common Multiple of 66983 and 67003 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66983 and 67003, than apply into the LCM equation.

GCF(66983,67003) = 1
LCM(66983,67003) = ( 66983 × 67003) / 1
LCM(66983,67003) = 4488061949 / 1
LCM(66983,67003) = 4488061949

Least Common Multiple (LCM) of 66983 and 67003 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66983 and 67003. First we will calculate the prime factors of 66983 and 67003.

Prime Factorization of 66983

Prime factors of 66983 are 7, 1367. Prime factorization of 66983 in exponential form is:

66983 = 72 × 13671

Prime Factorization of 67003

Prime factors of 67003 are 67003. Prime factorization of 67003 in exponential form is:

67003 = 670031

Now multiplying the highest exponent prime factors to calculate the LCM of 66983 and 67003.

LCM(66983,67003) = 72 × 13671 × 670031
LCM(66983,67003) = 4488061949