What is the Least Common Multiple of 848 and 861?
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 848 and 861 is 730128.
LCM(848,861) = 730128
Least Common Multiple of 848 and 861 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 848 and 861, than apply into the LCM equation.
GCF(848,861) = 1
LCM(848,861) = ( 848 × 861) / 1
LCM(848,861) = 730128 / 1
LCM(848,861) = 730128
Least Common Multiple (LCM) of 848 and 861 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 848 and 861. First we will calculate the prime factors of 848 and 861.
Prime Factorization of 848
Prime factors of 848 are 2, 53. Prime factorization of 848 in exponential form is:
848 = 24 × 531
Prime Factorization of 861
Prime factors of 861 are 3, 7, 41. Prime factorization of 861 in exponential form is:
861 = 31 × 71 × 411
Now multiplying the highest exponent prime factors to calculate the LCM of 848 and 861.
LCM(848,861) = 24 × 531 × 31 × 71 × 411
LCM(848,861) = 730128
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