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What is the Least Common Multiple of 20795 and 20801?

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 20795 and 20801 is 432556795.

LCM(20795,20801) = 432556795

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Least Common Multiple of 20795 and 20801 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20795 and 20801, than apply into the LCM equation.

GCF(20795,20801) = 1
LCM(20795,20801) = ( 20795 × 20801) / 1
LCM(20795,20801) = 432556795 / 1
LCM(20795,20801) = 432556795

Least Common Multiple (LCM) of 20795 and 20801 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20795 and 20801. First we will calculate the prime factors of 20795 and 20801.

Prime Factorization of 20795

Prime factors of 20795 are 5, 4159. Prime factorization of 20795 in exponential form is:

20795 = 51 × 41591

Prime Factorization of 20801

Prime factors of 20801 are 11, 31, 61. Prime factorization of 20801 in exponential form is:

20801 = 111 × 311 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 20795 and 20801.

LCM(20795,20801) = 51 × 41591 × 111 × 311 × 611
LCM(20795,20801) = 432556795