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What is the Least Common Multiple of 61523 and 61531?

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 61523 and 61531 is 3785571713.

LCM(61523,61531) = 3785571713

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Least Common Multiple of 61523 and 61531 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61523 and 61531, than apply into the LCM equation.

GCF(61523,61531) = 1
LCM(61523,61531) = ( 61523 × 61531) / 1
LCM(61523,61531) = 3785571713 / 1
LCM(61523,61531) = 3785571713

Least Common Multiple (LCM) of 61523 and 61531 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61523 and 61531. First we will calculate the prime factors of 61523 and 61531.

Prime Factorization of 61523

Prime factors of 61523 are 7, 11, 17, 47. Prime factorization of 61523 in exponential form is:

61523 = 71 × 111 × 171 × 471

Prime Factorization of 61531

Prime factors of 61531 are 37, 1663. Prime factorization of 61531 in exponential form is:

61531 = 371 × 16631

Now multiplying the highest exponent prime factors to calculate the LCM of 61523 and 61531.

LCM(61523,61531) = 71 × 111 × 171 × 471 × 371 × 16631
LCM(61523,61531) = 3785571713