What is the Least Common Multiple of 667 and 672?
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 667 and 672 is 448224.
LCM(667,672) = 448224
Least Common Multiple of 667 and 672 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 667 and 672, than apply into the LCM equation.
GCF(667,672) = 1
LCM(667,672) = ( 667 × 672) / 1
LCM(667,672) = 448224 / 1
LCM(667,672) = 448224
Least Common Multiple (LCM) of 667 and 672 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 667 and 672. First we will calculate the prime factors of 667 and 672.
Prime Factorization of 667
Prime factors of 667 are 23, 29. Prime factorization of 667 in exponential form is:
667 = 231 × 291
Prime Factorization of 672
Prime factors of 672 are 2, 3, 7. Prime factorization of 672 in exponential form is:
672 = 25 × 31 × 71
Now multiplying the highest exponent prime factors to calculate the LCM of 667 and 672.
LCM(667,672) = 231 × 291 × 25 × 31 × 71
LCM(667,672) = 448224
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