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What is the Least Common Multiple of 25520 and 25532?

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 25520 and 25532 is 162894160.

LCM(25520,25532) = 162894160

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Least Common Multiple of 25520 and 25532 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25520 and 25532, than apply into the LCM equation.

GCF(25520,25532) = 4
LCM(25520,25532) = ( 25520 × 25532) / 4
LCM(25520,25532) = 651576640 / 4
LCM(25520,25532) = 162894160

Least Common Multiple (LCM) of 25520 and 25532 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25520 and 25532. First we will calculate the prime factors of 25520 and 25532.

Prime Factorization of 25520

Prime factors of 25520 are 2, 5, 11, 29. Prime factorization of 25520 in exponential form is:

25520 = 24 × 51 × 111 × 291

Prime Factorization of 25532

Prime factors of 25532 are 2, 13, 491. Prime factorization of 25532 in exponential form is:

25532 = 22 × 131 × 4911

Now multiplying the highest exponent prime factors to calculate the LCM of 25520 and 25532.

LCM(25520,25532) = 24 × 51 × 111 × 291 × 131 × 4911
LCM(25520,25532) = 162894160