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What is the Least Common Multiple of 47531 and 47540?

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 47531 and 47540 is 2259623740.

LCM(47531,47540) = 2259623740

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Least Common Multiple of 47531 and 47540 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47531 and 47540, than apply into the LCM equation.

GCF(47531,47540) = 1
LCM(47531,47540) = ( 47531 × 47540) / 1
LCM(47531,47540) = 2259623740 / 1
LCM(47531,47540) = 2259623740

Least Common Multiple (LCM) of 47531 and 47540 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47531 and 47540. First we will calculate the prime factors of 47531 and 47540.

Prime Factorization of 47531

Prime factors of 47531 are 11, 29, 149. Prime factorization of 47531 in exponential form is:

47531 = 111 × 291 × 1491

Prime Factorization of 47540

Prime factors of 47540 are 2, 5, 2377. Prime factorization of 47540 in exponential form is:

47540 = 22 × 51 × 23771

Now multiplying the highest exponent prime factors to calculate the LCM of 47531 and 47540.

LCM(47531,47540) = 111 × 291 × 1491 × 22 × 51 × 23771
LCM(47531,47540) = 2259623740