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What is the Least Common Multiple of 8821 and 8830?

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 8821 and 8830 is 77889430.

LCM(8821,8830) = 77889430

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Least Common Multiple of 8821 and 8830 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8821 and 8830, than apply into the LCM equation.

GCF(8821,8830) = 1
LCM(8821,8830) = ( 8821 × 8830) / 1
LCM(8821,8830) = 77889430 / 1
LCM(8821,8830) = 77889430

Least Common Multiple (LCM) of 8821 and 8830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8821 and 8830. First we will calculate the prime factors of 8821 and 8830.

Prime Factorization of 8821

Prime factors of 8821 are 8821. Prime factorization of 8821 in exponential form is:

8821 = 88211

Prime Factorization of 8830

Prime factors of 8830 are 2, 5, 883. Prime factorization of 8830 in exponential form is:

8830 = 21 × 51 × 8831

Now multiplying the highest exponent prime factors to calculate the LCM of 8821 and 8830.

LCM(8821,8830) = 88211 × 21 × 51 × 8831
LCM(8821,8830) = 77889430