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What is the Least Common Multiple of 78169 and 78183?

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 78169 and 78183 is 873069561.

LCM(78169,78183) = 873069561

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Least Common Multiple of 78169 and 78183 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78169 and 78183, than apply into the LCM equation.

GCF(78169,78183) = 7
LCM(78169,78183) = ( 78169 × 78183) / 7
LCM(78169,78183) = 6111486927 / 7
LCM(78169,78183) = 873069561

Least Common Multiple (LCM) of 78169 and 78183 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78169 and 78183. First we will calculate the prime factors of 78169 and 78183.

Prime Factorization of 78169

Prime factors of 78169 are 7, 13, 859. Prime factorization of 78169 in exponential form is:

78169 = 71 × 131 × 8591

Prime Factorization of 78183

Prime factors of 78183 are 3, 7, 17, 73. Prime factorization of 78183 in exponential form is:

78183 = 32 × 71 × 171 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 78169 and 78183.

LCM(78169,78183) = 71 × 131 × 8591 × 32 × 171 × 731
LCM(78169,78183) = 873069561