What is the Least Common Multiple of 928 and 948?
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 928 and 948 is 219936.
LCM(928,948) = 219936
Least Common Multiple of 928 and 948 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 928 and 948, than apply into the LCM equation.
GCF(928,948) = 4
LCM(928,948) = ( 928 × 948) / 4
LCM(928,948) = 879744 / 4
LCM(928,948) = 219936
Least Common Multiple (LCM) of 928 and 948 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 928 and 948. First we will calculate the prime factors of 928 and 948.
Prime Factorization of 928
Prime factors of 928 are 2, 29. Prime factorization of 928 in exponential form is:
928 = 25 × 291
Prime Factorization of 948
Prime factors of 948 are 2, 3, 79. Prime factorization of 948 in exponential form is:
948 = 22 × 31 × 791
Now multiplying the highest exponent prime factors to calculate the LCM of 928 and 948.
LCM(928,948) = 25 × 291 × 31 × 791
LCM(928,948) = 219936
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