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What is the Least Common Multiple of 31791 and 31807?

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 31791 and 31807 is 1011176337.

LCM(31791,31807) = 1011176337

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Least Common Multiple of 31791 and 31807 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31791 and 31807, than apply into the LCM equation.

GCF(31791,31807) = 1
LCM(31791,31807) = ( 31791 × 31807) / 1
LCM(31791,31807) = 1011176337 / 1
LCM(31791,31807) = 1011176337

Least Common Multiple (LCM) of 31791 and 31807 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31791 and 31807. First we will calculate the prime factors of 31791 and 31807.

Prime Factorization of 31791

Prime factors of 31791 are 3, 10597. Prime factorization of 31791 in exponential form is:

31791 = 31 × 105971

Prime Factorization of 31807

Prime factors of 31807 are 17, 1871. Prime factorization of 31807 in exponential form is:

31807 = 171 × 18711

Now multiplying the highest exponent prime factors to calculate the LCM of 31791 and 31807.

LCM(31791,31807) = 31 × 105971 × 171 × 18711
LCM(31791,31807) = 1011176337