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What is the Least Common Multiple of 20053 and 20072?

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 20053 and 20072 is 402503816.

LCM(20053,20072) = 402503816

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Least Common Multiple of 20053 and 20072 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20053 and 20072, than apply into the LCM equation.

GCF(20053,20072) = 1
LCM(20053,20072) = ( 20053 × 20072) / 1
LCM(20053,20072) = 402503816 / 1
LCM(20053,20072) = 402503816

Least Common Multiple (LCM) of 20053 and 20072 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20053 and 20072. First we will calculate the prime factors of 20053 and 20072.

Prime Factorization of 20053

Prime factors of 20053 are 11, 1823. Prime factorization of 20053 in exponential form is:

20053 = 111 × 18231

Prime Factorization of 20072

Prime factors of 20072 are 2, 13, 193. Prime factorization of 20072 in exponential form is:

20072 = 23 × 131 × 1931

Now multiplying the highest exponent prime factors to calculate the LCM of 20053 and 20072.

LCM(20053,20072) = 111 × 18231 × 23 × 131 × 1931
LCM(20053,20072) = 402503816