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What is the Least Common Multiple of 25120 and 25131?

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 25120 and 25131 is 631290720.

LCM(25120,25131) = 631290720

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Least Common Multiple of 25120 and 25131 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25120 and 25131, than apply into the LCM equation.

GCF(25120,25131) = 1
LCM(25120,25131) = ( 25120 × 25131) / 1
LCM(25120,25131) = 631290720 / 1
LCM(25120,25131) = 631290720

Least Common Multiple (LCM) of 25120 and 25131 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25120 and 25131. First we will calculate the prime factors of 25120 and 25131.

Prime Factorization of 25120

Prime factors of 25120 are 2, 5, 157. Prime factorization of 25120 in exponential form is:

25120 = 25 × 51 × 1571

Prime Factorization of 25131

Prime factors of 25131 are 3, 8377. Prime factorization of 25131 in exponential form is:

25131 = 31 × 83771

Now multiplying the highest exponent prime factors to calculate the LCM of 25120 and 25131.

LCM(25120,25131) = 25 × 51 × 1571 × 31 × 83771
LCM(25120,25131) = 631290720