What is the Least Common Multiple of 8439 and 8453?
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 8439 and 8453 is 71334867.
LCM(8439,8453) = 71334867
Least Common Multiple of 8439 and 8453 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8439 and 8453, than apply into the LCM equation.
GCF(8439,8453) = 1
LCM(8439,8453) = ( 8439 × 8453) / 1
LCM(8439,8453) = 71334867 / 1
LCM(8439,8453) = 71334867
Least Common Multiple (LCM) of 8439 and 8453 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 8439 and 8453. First we will calculate the prime factors of 8439 and 8453.
Prime Factorization of 8439
Prime factors of 8439 are 3, 29, 97. Prime factorization of 8439 in exponential form is:
8439 = 31 × 291 × 971
Prime Factorization of 8453
Prime factors of 8453 are 79, 107. Prime factorization of 8453 in exponential form is:
8453 = 791 × 1071
Now multiplying the highest exponent prime factors to calculate the LCM of 8439 and 8453.
LCM(8439,8453) = 31 × 291 × 971 × 791 × 1071
LCM(8439,8453) = 71334867
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