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What is the Least Common Multiple of 72921 and 72933?

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 72921 and 72933 is 1772782431.

LCM(72921,72933) = 1772782431

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Least Common Multiple of 72921 and 72933 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72921 and 72933, than apply into the LCM equation.

GCF(72921,72933) = 3
LCM(72921,72933) = ( 72921 × 72933) / 3
LCM(72921,72933) = 5318347293 / 3
LCM(72921,72933) = 1772782431

Least Common Multiple (LCM) of 72921 and 72933 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72921 and 72933. First we will calculate the prime factors of 72921 and 72933.

Prime Factorization of 72921

Prime factors of 72921 are 3, 109, 223. Prime factorization of 72921 in exponential form is:

72921 = 31 × 1091 × 2231

Prime Factorization of 72933

Prime factors of 72933 are 3, 7, 23, 151. Prime factorization of 72933 in exponential form is:

72933 = 31 × 71 × 231 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 72921 and 72933.

LCM(72921,72933) = 31 × 1091 × 2231 × 71 × 231 × 1511
LCM(72921,72933) = 1772782431