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What is the Least Common Multiple of 78897 and 78907?

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 78897 and 78907 is 6225525579.

LCM(78897,78907) = 6225525579

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Least Common Multiple of 78897 and 78907 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78897 and 78907, than apply into the LCM equation.

GCF(78897,78907) = 1
LCM(78897,78907) = ( 78897 × 78907) / 1
LCM(78897,78907) = 6225525579 / 1
LCM(78897,78907) = 6225525579

Least Common Multiple (LCM) of 78897 and 78907 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78897 and 78907. First we will calculate the prime factors of 78897 and 78907.

Prime Factorization of 78897

Prime factors of 78897 are 3, 7, 13, 17. Prime factorization of 78897 in exponential form is:

78897 = 31 × 71 × 131 × 172

Prime Factorization of 78907

Prime factors of 78907 are 19, 4153. Prime factorization of 78907 in exponential form is:

78907 = 191 × 41531

Now multiplying the highest exponent prime factors to calculate the LCM of 78897 and 78907.

LCM(78897,78907) = 31 × 71 × 131 × 172 × 191 × 41531
LCM(78897,78907) = 6225525579