What is the Least Common Multiple of 10478 and 10492?
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 10478 and 10492 is 54967588.
LCM(10478,10492) = 54967588
Least Common Multiple of 10478 and 10492 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10478 and 10492, than apply into the LCM equation.
GCF(10478,10492) = 2
LCM(10478,10492) = ( 10478 × 10492) / 2
LCM(10478,10492) = 109935176 / 2
LCM(10478,10492) = 54967588
Least Common Multiple (LCM) of 10478 and 10492 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 10478 and 10492. First we will calculate the prime factors of 10478 and 10492.
Prime Factorization of 10478
Prime factors of 10478 are 2, 13, 31. Prime factorization of 10478 in exponential form is:
10478 = 21 × 132 × 311
Prime Factorization of 10492
Prime factors of 10492 are 2, 43, 61. Prime factorization of 10492 in exponential form is:
10492 = 22 × 431 × 611
Now multiplying the highest exponent prime factors to calculate the LCM of 10478 and 10492.
LCM(10478,10492) = 22 × 132 × 311 × 431 × 611
LCM(10478,10492) = 54967588
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