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What is the Least Common Multiple of 78574 and 78587?

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 78587 is 6174894938.

LCM(78574,78587) = 6174894938

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Least Common Multiple of 78574 and 78587 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 78587, than apply into the LCM equation.

GCF(78574,78587) = 1
LCM(78574,78587) = ( 78574 × 78587) / 1
LCM(78574,78587) = 6174894938 / 1
LCM(78574,78587) = 6174894938

Least Common Multiple (LCM) of 78574 and 78587 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78574 and 78587. First we will calculate the prime factors of 78574 and 78587.

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 78587

Prime factors of 78587 are 89, 883. Prime factorization of 78587 in exponential form is:

78587 = 891 × 8831

Now multiplying the highest exponent prime factors to calculate the LCM of 78574 and 78587.

LCM(78574,78587) = 21 × 171 × 23111 × 891 × 8831
LCM(78574,78587) = 6174894938