What is the Least Common Multiple of 860 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 860 and 879 is 755940.
LCM(860,879) = 755940
Least Common Multiple of 860 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 860 and 879, than apply into the LCM equation.
GCF(860,879) = 1
LCM(860,879) = ( 860 × 879) / 1
LCM(860,879) = 755940 / 1
LCM(860,879) = 755940
Least Common Multiple (LCM) of 860 and 879 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 860 and 879. First we will calculate the prime factors of 860 and 879.
Prime Factorization of 860
Prime factors of 860 are 2, 5, 43. Prime factorization of 860 in exponential form is:
860 = 22 × 51 × 431
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 860 and 879.
LCM(860,879) = 22 × 51 × 431 × 31 × 2931
LCM(860,879) = 755940
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