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What is the Least Common Multiple of 25678 and 25685?

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 25678 and 25685 is 659539430.

LCM(25678,25685) = 659539430

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Least Common Multiple of 25678 and 25685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25678 and 25685, than apply into the LCM equation.

GCF(25678,25685) = 1
LCM(25678,25685) = ( 25678 × 25685) / 1
LCM(25678,25685) = 659539430 / 1
LCM(25678,25685) = 659539430

Least Common Multiple (LCM) of 25678 and 25685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25678 and 25685. First we will calculate the prime factors of 25678 and 25685.

Prime Factorization of 25678

Prime factors of 25678 are 2, 37, 347. Prime factorization of 25678 in exponential form is:

25678 = 21 × 371 × 3471

Prime Factorization of 25685

Prime factors of 25685 are 5, 11, 467. Prime factorization of 25685 in exponential form is:

25685 = 51 × 111 × 4671

Now multiplying the highest exponent prime factors to calculate the LCM of 25678 and 25685.

LCM(25678,25685) = 21 × 371 × 3471 × 51 × 111 × 4671
LCM(25678,25685) = 659539430