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What is the Least Common Multiple of 20429 and 20437?

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 20429 and 20437 is 417507473.

LCM(20429,20437) = 417507473

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Least Common Multiple of 20429 and 20437 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20429 and 20437, than apply into the LCM equation.

GCF(20429,20437) = 1
LCM(20429,20437) = ( 20429 × 20437) / 1
LCM(20429,20437) = 417507473 / 1
LCM(20429,20437) = 417507473

Least Common Multiple (LCM) of 20429 and 20437 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20429 and 20437. First we will calculate the prime factors of 20429 and 20437.

Prime Factorization of 20429

Prime factors of 20429 are 31, 659. Prime factorization of 20429 in exponential form is:

20429 = 311 × 6591

Prime Factorization of 20437

Prime factors of 20437 are 107, 191. Prime factorization of 20437 in exponential form is:

20437 = 1071 × 1911

Now multiplying the highest exponent prime factors to calculate the LCM of 20429 and 20437.

LCM(20429,20437) = 311 × 6591 × 1071 × 1911
LCM(20429,20437) = 417507473