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What is the Least Common Multiple of 79123 and 79131?

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 79123 and 79131 is 6261082113.

LCM(79123,79131) = 6261082113

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Least Common Multiple of 79123 and 79131 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79123 and 79131, than apply into the LCM equation.

GCF(79123,79131) = 1
LCM(79123,79131) = ( 79123 × 79131) / 1
LCM(79123,79131) = 6261082113 / 1
LCM(79123,79131) = 6261082113

Least Common Multiple (LCM) of 79123 and 79131 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79123 and 79131. First we will calculate the prime factors of 79123 and 79131.

Prime Factorization of 79123

Prime factors of 79123 are 11, 7193. Prime factorization of 79123 in exponential form is:

79123 = 111 × 71931

Prime Factorization of 79131

Prime factors of 79131 are 3, 13, 2029. Prime factorization of 79131 in exponential form is:

79131 = 31 × 131 × 20291

Now multiplying the highest exponent prime factors to calculate the LCM of 79123 and 79131.

LCM(79123,79131) = 111 × 71931 × 31 × 131 × 20291
LCM(79123,79131) = 6261082113