What is the Least Common Multiple of 873 and 879?
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 873 and 879 is 255789.
LCM(873,879) = 255789
Least Common Multiple of 873 and 879 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 873 and 879, than apply into the LCM equation.
GCF(873,879) = 3
LCM(873,879) = ( 873 × 879) / 3
LCM(873,879) = 767367 / 3
LCM(873,879) = 255789
Least Common Multiple (LCM) of 873 and 879 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 873 and 879. First we will calculate the prime factors of 873 and 879.
Prime Factorization of 873
Prime factors of 873 are 3, 97. Prime factorization of 873 in exponential form is:
873 = 32 × 971
Prime Factorization of 879
Prime factors of 879 are 3, 293. Prime factorization of 879 in exponential form is:
879 = 31 × 2931
Now multiplying the highest exponent prime factors to calculate the LCM of 873 and 879.
LCM(873,879) = 32 × 971 × 2931
LCM(873,879) = 255789
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