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What is the Least Common Multiple of 20713 and 20730?

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 20713 and 20730 is 429380490.

LCM(20713,20730) = 429380490

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Least Common Multiple of 20713 and 20730 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20713 and 20730, than apply into the LCM equation.

GCF(20713,20730) = 1
LCM(20713,20730) = ( 20713 × 20730) / 1
LCM(20713,20730) = 429380490 / 1
LCM(20713,20730) = 429380490

Least Common Multiple (LCM) of 20713 and 20730 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20713 and 20730. First we will calculate the prime factors of 20713 and 20730.

Prime Factorization of 20713

Prime factors of 20713 are 7, 11, 269. Prime factorization of 20713 in exponential form is:

20713 = 71 × 111 × 2691

Prime Factorization of 20730

Prime factors of 20730 are 2, 3, 5, 691. Prime factorization of 20730 in exponential form is:

20730 = 21 × 31 × 51 × 6911

Now multiplying the highest exponent prime factors to calculate the LCM of 20713 and 20730.

LCM(20713,20730) = 71 × 111 × 2691 × 21 × 31 × 51 × 6911
LCM(20713,20730) = 429380490