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What is the Least Common Multiple of 78574 and 78583?

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 78574 and 78583 is 6174580642.

LCM(78574,78583) = 6174580642

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Least Common Multiple of 78574 and 78583 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78574 and 78583, than apply into the LCM equation.

GCF(78574,78583) = 1
LCM(78574,78583) = ( 78574 × 78583) / 1
LCM(78574,78583) = 6174580642 / 1
LCM(78574,78583) = 6174580642

Least Common Multiple (LCM) of 78574 and 78583 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78574 and 78583. First we will calculate the prime factors of 78574 and 78583.

Prime Factorization of 78574

Prime factors of 78574 are 2, 17, 2311. Prime factorization of 78574 in exponential form is:

78574 = 21 × 171 × 23111

Prime Factorization of 78583

Prime factors of 78583 are 78583. Prime factorization of 78583 in exponential form is:

78583 = 785831

Now multiplying the highest exponent prime factors to calculate the LCM of 78574 and 78583.

LCM(78574,78583) = 21 × 171 × 23111 × 785831
LCM(78574,78583) = 6174580642