What is the Least Common Multiple of 25389 and 25399?
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 25389 and 25399 is 644855211.
LCM(25389,25399) = 644855211
Least Common Multiple of 25389 and 25399 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25389 and 25399, than apply into the LCM equation.
GCF(25389,25399) = 1
LCM(25389,25399) = ( 25389 × 25399) / 1
LCM(25389,25399) = 644855211 / 1
LCM(25389,25399) = 644855211
Least Common Multiple (LCM) of 25389 and 25399 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 25389 and 25399. First we will calculate the prime factors of 25389 and 25399.
Prime Factorization of 25389
Prime factors of 25389 are 3, 7, 13, 31. Prime factorization of 25389 in exponential form is:
25389 = 32 × 71 × 131 × 311
Prime Factorization of 25399
Prime factors of 25399 are 11, 2309. Prime factorization of 25399 in exponential form is:
25399 = 111 × 23091
Now multiplying the highest exponent prime factors to calculate the LCM of 25389 and 25399.
LCM(25389,25399) = 32 × 71 × 131 × 311 × 111 × 23091
LCM(25389,25399) = 644855211
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