What is the Least Common Multiple of 66911 and 66931?
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 66911 and 66931 is 4478420141.
LCM(66911,66931) = 4478420141
Least Common Multiple of 66911 and 66931 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66911 and 66931, than apply into the LCM equation.
GCF(66911,66931) = 1
LCM(66911,66931) = ( 66911 × 66931) / 1
LCM(66911,66931) = 4478420141 / 1
LCM(66911,66931) = 4478420141
Least Common Multiple (LCM) of 66911 and 66931 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 66911 and 66931. First we will calculate the prime factors of 66911 and 66931.
Prime Factorization of 66911
Prime factors of 66911 are 13, 5147. Prime factorization of 66911 in exponential form is:
66911 = 131 × 51471
Prime Factorization of 66931
Prime factors of 66931 are 66931. Prime factorization of 66931 in exponential form is:
66931 = 669311
Now multiplying the highest exponent prime factors to calculate the LCM of 66911 and 66931.
LCM(66911,66931) = 131 × 51471 × 669311
LCM(66911,66931) = 4478420141
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