What is the Least Common Multiple of 6430 and 6447?
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 6430 and 6447 is 41454210.
LCM(6430,6447) = 41454210
Least Common Multiple of 6430 and 6447 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6430 and 6447, than apply into the LCM equation.
GCF(6430,6447) = 1
LCM(6430,6447) = ( 6430 × 6447) / 1
LCM(6430,6447) = 41454210 / 1
LCM(6430,6447) = 41454210
Least Common Multiple (LCM) of 6430 and 6447 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 6430 and 6447. First we will calculate the prime factors of 6430 and 6447.
Prime Factorization of 6430
Prime factors of 6430 are 2, 5, 643. Prime factorization of 6430 in exponential form is:
6430 = 21 × 51 × 6431
Prime Factorization of 6447
Prime factors of 6447 are 3, 7, 307. Prime factorization of 6447 in exponential form is:
6447 = 31 × 71 × 3071
Now multiplying the highest exponent prime factors to calculate the LCM of 6430 and 6447.
LCM(6430,6447) = 21 × 51 × 6431 × 31 × 71 × 3071
LCM(6430,6447) = 41454210
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