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What is the Least Common Multiple of 30997 and 31013?

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 30997 and 31013 is 961309961.

LCM(30997,31013) = 961309961

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Least Common Multiple of 30997 and 31013 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30997 and 31013, than apply into the LCM equation.

GCF(30997,31013) = 1
LCM(30997,31013) = ( 30997 × 31013) / 1
LCM(30997,31013) = 961309961 / 1
LCM(30997,31013) = 961309961

Least Common Multiple (LCM) of 30997 and 31013 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30997 and 31013. First we will calculate the prime factors of 30997 and 31013.

Prime Factorization of 30997

Prime factors of 30997 are 139, 223. Prime factorization of 30997 in exponential form is:

30997 = 1391 × 2231

Prime Factorization of 31013

Prime factors of 31013 are 31013. Prime factorization of 31013 in exponential form is:

31013 = 310131

Now multiplying the highest exponent prime factors to calculate the LCM of 30997 and 31013.

LCM(30997,31013) = 1391 × 2231 × 310131
LCM(30997,31013) = 961309961