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What is the Least Common Multiple of 69646 and 69660?

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 69646 and 69660 is 2425770180.

LCM(69646,69660) = 2425770180

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Least Common Multiple of 69646 and 69660 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69646 and 69660, than apply into the LCM equation.

GCF(69646,69660) = 2
LCM(69646,69660) = ( 69646 × 69660) / 2
LCM(69646,69660) = 4851540360 / 2
LCM(69646,69660) = 2425770180

Least Common Multiple (LCM) of 69646 and 69660 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69646 and 69660. First we will calculate the prime factors of 69646 and 69660.

Prime Factorization of 69646

Prime factors of 69646 are 2, 97, 359. Prime factorization of 69646 in exponential form is:

69646 = 21 × 971 × 3591

Prime Factorization of 69660

Prime factors of 69660 are 2, 3, 5, 43. Prime factorization of 69660 in exponential form is:

69660 = 22 × 34 × 51 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 69646 and 69660.

LCM(69646,69660) = 22 × 971 × 3591 × 34 × 51 × 431
LCM(69646,69660) = 2425770180