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What is the Least Common Multiple of 23240 and 23257?

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 23240 and 23257 is 540492680.

LCM(23240,23257) = 540492680

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Least Common Multiple of 23240 and 23257 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23240 and 23257, than apply into the LCM equation.

GCF(23240,23257) = 1
LCM(23240,23257) = ( 23240 × 23257) / 1
LCM(23240,23257) = 540492680 / 1
LCM(23240,23257) = 540492680

Least Common Multiple (LCM) of 23240 and 23257 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23240 and 23257. First we will calculate the prime factors of 23240 and 23257.

Prime Factorization of 23240

Prime factors of 23240 are 2, 5, 7, 83. Prime factorization of 23240 in exponential form is:

23240 = 23 × 51 × 71 × 831

Prime Factorization of 23257

Prime factors of 23257 are 13, 1789. Prime factorization of 23257 in exponential form is:

23257 = 131 × 17891

Now multiplying the highest exponent prime factors to calculate the LCM of 23240 and 23257.

LCM(23240,23257) = 23 × 51 × 71 × 831 × 131 × 17891
LCM(23240,23257) = 540492680