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What is the Least Common Multiple of 25320 and 25330?

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 25320 and 25330 is 64135560.

LCM(25320,25330) = 64135560

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Least Common Multiple of 25320 and 25330 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25320 and 25330, than apply into the LCM equation.

GCF(25320,25330) = 10
LCM(25320,25330) = ( 25320 × 25330) / 10
LCM(25320,25330) = 641355600 / 10
LCM(25320,25330) = 64135560

Least Common Multiple (LCM) of 25320 and 25330 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25320 and 25330. First we will calculate the prime factors of 25320 and 25330.

Prime Factorization of 25320

Prime factors of 25320 are 2, 3, 5, 211. Prime factorization of 25320 in exponential form is:

25320 = 23 × 31 × 51 × 2111

Prime Factorization of 25330

Prime factors of 25330 are 2, 5, 17, 149. Prime factorization of 25330 in exponential form is:

25330 = 21 × 51 × 171 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 25320 and 25330.

LCM(25320,25330) = 23 × 31 × 51 × 2111 × 171 × 1491
LCM(25320,25330) = 64135560