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What is the Least Common Multiple of 20797 and 20802?

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 20797 and 20802 is 432619194.

LCM(20797,20802) = 432619194

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Least Common Multiple of 20797 and 20802 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20797 and 20802, than apply into the LCM equation.

GCF(20797,20802) = 1
LCM(20797,20802) = ( 20797 × 20802) / 1
LCM(20797,20802) = 432619194 / 1
LCM(20797,20802) = 432619194

Least Common Multiple (LCM) of 20797 and 20802 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20797 and 20802. First we will calculate the prime factors of 20797 and 20802.

Prime Factorization of 20797

Prime factors of 20797 are 7, 2971. Prime factorization of 20797 in exponential form is:

20797 = 71 × 29711

Prime Factorization of 20802

Prime factors of 20802 are 2, 3, 3467. Prime factorization of 20802 in exponential form is:

20802 = 21 × 31 × 34671

Now multiplying the highest exponent prime factors to calculate the LCM of 20797 and 20802.

LCM(20797,20802) = 71 × 29711 × 21 × 31 × 34671
LCM(20797,20802) = 432619194