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What is the Least Common Multiple of 15791 and 15802?

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 15791 and 15802 is 249529382.

LCM(15791,15802) = 249529382

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Least Common Multiple of 15791 and 15802 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15791 and 15802, than apply into the LCM equation.

GCF(15791,15802) = 1
LCM(15791,15802) = ( 15791 × 15802) / 1
LCM(15791,15802) = 249529382 / 1
LCM(15791,15802) = 249529382

Least Common Multiple (LCM) of 15791 and 15802 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15791 and 15802. First we will calculate the prime factors of 15791 and 15802.

Prime Factorization of 15791

Prime factors of 15791 are 15791. Prime factorization of 15791 in exponential form is:

15791 = 157911

Prime Factorization of 15802

Prime factors of 15802 are 2, 7901. Prime factorization of 15802 in exponential form is:

15802 = 21 × 79011

Now multiplying the highest exponent prime factors to calculate the LCM of 15791 and 15802.

LCM(15791,15802) = 157911 × 21 × 79011
LCM(15791,15802) = 249529382