What is the Least Common Multiple of 31124 and 31130?
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 31124 and 31130 is 484445060.
LCM(31124,31130) = 484445060
Least Common Multiple of 31124 and 31130 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31124 and 31130, than apply into the LCM equation.
GCF(31124,31130) = 2
LCM(31124,31130) = ( 31124 × 31130) / 2
LCM(31124,31130) = 968890120 / 2
LCM(31124,31130) = 484445060
Least Common Multiple (LCM) of 31124 and 31130 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 31124 and 31130. First we will calculate the prime factors of 31124 and 31130.
Prime Factorization of 31124
Prime factors of 31124 are 2, 31, 251. Prime factorization of 31124 in exponential form is:
31124 = 22 × 311 × 2511
Prime Factorization of 31130
Prime factors of 31130 are 2, 5, 11, 283. Prime factorization of 31130 in exponential form is:
31130 = 21 × 51 × 111 × 2831
Now multiplying the highest exponent prime factors to calculate the LCM of 31124 and 31130.
LCM(31124,31130) = 22 × 311 × 2511 × 51 × 111 × 2831
LCM(31124,31130) = 484445060
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