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What is the Least Common Multiple of 30996 and 31009?

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 30996 and 31009 is 961154964.

LCM(30996,31009) = 961154964

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Least Common Multiple of 30996 and 31009 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30996 and 31009, than apply into the LCM equation.

GCF(30996,31009) = 1
LCM(30996,31009) = ( 30996 × 31009) / 1
LCM(30996,31009) = 961154964 / 1
LCM(30996,31009) = 961154964

Least Common Multiple (LCM) of 30996 and 31009 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30996 and 31009. First we will calculate the prime factors of 30996 and 31009.

Prime Factorization of 30996

Prime factors of 30996 are 2, 3, 7, 41. Prime factorization of 30996 in exponential form is:

30996 = 22 × 33 × 71 × 411

Prime Factorization of 31009

Prime factors of 31009 are 11, 2819. Prime factorization of 31009 in exponential form is:

31009 = 111 × 28191

Now multiplying the highest exponent prime factors to calculate the LCM of 30996 and 31009.

LCM(30996,31009) = 22 × 33 × 71 × 411 × 111 × 28191
LCM(30996,31009) = 961154964