What is the Least Common Multiple of 15860 and 15872?
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 15860 and 15872 is 62932480.
LCM(15860,15872) = 62932480
Least Common Multiple of 15860 and 15872 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15860 and 15872, than apply into the LCM equation.
GCF(15860,15872) = 4
LCM(15860,15872) = ( 15860 × 15872) / 4
LCM(15860,15872) = 251729920 / 4
LCM(15860,15872) = 62932480
Least Common Multiple (LCM) of 15860 and 15872 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 15860 and 15872. First we will calculate the prime factors of 15860 and 15872.
Prime Factorization of 15860
Prime factors of 15860 are 2, 5, 13, 61. Prime factorization of 15860 in exponential form is:
15860 = 22 × 51 × 131 × 611
Prime Factorization of 15872
Prime factors of 15872 are 2, 31. Prime factorization of 15872 in exponential form is:
15872 = 29 × 311
Now multiplying the highest exponent prime factors to calculate the LCM of 15860 and 15872.
LCM(15860,15872) = 29 × 51 × 131 × 611 × 311
LCM(15860,15872) = 62932480
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