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What is the Least Common Multiple of 20935 and 20951?

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 20935 and 20951 is 438609185.

LCM(20935,20951) = 438609185

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Least Common Multiple of 20935 and 20951 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20935 and 20951, than apply into the LCM equation.

GCF(20935,20951) = 1
LCM(20935,20951) = ( 20935 × 20951) / 1
LCM(20935,20951) = 438609185 / 1
LCM(20935,20951) = 438609185

Least Common Multiple (LCM) of 20935 and 20951 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20935 and 20951. First we will calculate the prime factors of 20935 and 20951.

Prime Factorization of 20935

Prime factors of 20935 are 5, 53, 79. Prime factorization of 20935 in exponential form is:

20935 = 51 × 531 × 791

Prime Factorization of 20951

Prime factors of 20951 are 7, 41, 73. Prime factorization of 20951 in exponential form is:

20951 = 71 × 411 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 20935 and 20951.

LCM(20935,20951) = 51 × 531 × 791 × 71 × 411 × 731
LCM(20935,20951) = 438609185