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What is the Least Common Multiple of 31898 and 31911?

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 31898 and 31911 is 1017897078.

LCM(31898,31911) = 1017897078

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Least Common Multiple of 31898 and 31911 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31898 and 31911, than apply into the LCM equation.

GCF(31898,31911) = 1
LCM(31898,31911) = ( 31898 × 31911) / 1
LCM(31898,31911) = 1017897078 / 1
LCM(31898,31911) = 1017897078

Least Common Multiple (LCM) of 31898 and 31911 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31898 and 31911. First we will calculate the prime factors of 31898 and 31911.

Prime Factorization of 31898

Prime factors of 31898 are 2, 41, 389. Prime factorization of 31898 in exponential form is:

31898 = 21 × 411 × 3891

Prime Factorization of 31911

Prime factors of 31911 are 3, 11, 967. Prime factorization of 31911 in exponential form is:

31911 = 31 × 111 × 9671

Now multiplying the highest exponent prime factors to calculate the LCM of 31898 and 31911.

LCM(31898,31911) = 21 × 411 × 3891 × 31 × 111 × 9671
LCM(31898,31911) = 1017897078