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What is the Least Common Multiple of 43802 and 43820?

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 43802 and 43820 is 959701820.

LCM(43802,43820) = 959701820

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Least Common Multiple of 43802 and 43820 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43802 and 43820, than apply into the LCM equation.

GCF(43802,43820) = 2
LCM(43802,43820) = ( 43802 × 43820) / 2
LCM(43802,43820) = 1919403640 / 2
LCM(43802,43820) = 959701820

Least Common Multiple (LCM) of 43802 and 43820 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43802 and 43820. First we will calculate the prime factors of 43802 and 43820.

Prime Factorization of 43802

Prime factors of 43802 are 2, 11, 181. Prime factorization of 43802 in exponential form is:

43802 = 21 × 112 × 1811

Prime Factorization of 43820

Prime factors of 43820 are 2, 5, 7, 313. Prime factorization of 43820 in exponential form is:

43820 = 22 × 51 × 71 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 43802 and 43820.

LCM(43802,43820) = 22 × 112 × 1811 × 51 × 71 × 3131
LCM(43802,43820) = 959701820