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What is the Least Common Multiple of 71272 and 71280?

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 71272 and 71280 is 635033520.

LCM(71272,71280) = 635033520

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Least Common Multiple of 71272 and 71280 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71272 and 71280, than apply into the LCM equation.

GCF(71272,71280) = 8
LCM(71272,71280) = ( 71272 × 71280) / 8
LCM(71272,71280) = 5080268160 / 8
LCM(71272,71280) = 635033520

Least Common Multiple (LCM) of 71272 and 71280 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71272 and 71280. First we will calculate the prime factors of 71272 and 71280.

Prime Factorization of 71272

Prime factors of 71272 are 2, 59, 151. Prime factorization of 71272 in exponential form is:

71272 = 23 × 591 × 1511

Prime Factorization of 71280

Prime factors of 71280 are 2, 3, 5, 11. Prime factorization of 71280 in exponential form is:

71280 = 24 × 34 × 51 × 111

Now multiplying the highest exponent prime factors to calculate the LCM of 71272 and 71280.

LCM(71272,71280) = 24 × 591 × 1511 × 34 × 51 × 111
LCM(71272,71280) = 635033520