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What is the Least Common Multiple of 25124 and 25140?

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 25124 and 25140 is 157904340.

LCM(25124,25140) = 157904340

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Least Common Multiple of 25124 and 25140 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25124 and 25140, than apply into the LCM equation.

GCF(25124,25140) = 4
LCM(25124,25140) = ( 25124 × 25140) / 4
LCM(25124,25140) = 631617360 / 4
LCM(25124,25140) = 157904340

Least Common Multiple (LCM) of 25124 and 25140 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25124 and 25140. First we will calculate the prime factors of 25124 and 25140.

Prime Factorization of 25124

Prime factors of 25124 are 2, 11, 571. Prime factorization of 25124 in exponential form is:

25124 = 22 × 111 × 5711

Prime Factorization of 25140

Prime factors of 25140 are 2, 3, 5, 419. Prime factorization of 25140 in exponential form is:

25140 = 22 × 31 × 51 × 4191

Now multiplying the highest exponent prime factors to calculate the LCM of 25124 and 25140.

LCM(25124,25140) = 22 × 111 × 5711 × 31 × 51 × 4191
LCM(25124,25140) = 157904340