3 is the least prime factor?
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Since, 3 is the least prime factor of 'a' therefore the number 'a' must be odd (because if the numbers would have been even then the least prime factor will definitely be 'z'.) So, a is odd. similarly, b is also odd.
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The prime factorization of 36 is: 2 x 2 x 3 x 3. The prime factors and multiplicities 9 and 36 have in common are: 3 x 3. 3 x 3 is the gcf of 9 and 36. gcf(9,36) = 9.
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2 is the only number which is even and prime. 3 is the smallest odd prime number.
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A prime power has only one prime factor. The first: 2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19 (sequence A000961 in the OEIS).
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The prime factorization of 54 is: 2 x 3 x 3 x 3. The prime factors and multiplicities 21 and 54 have in common are: 3. 3 is the gcf of 21 and 54. gcf(21,54) = 3.
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PRIMES LESS THAN 60: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59.
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6 is a composite number. ... Factors of 6: 1, 2, 3, 6. Prime factorization: 2 x 3.
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We found the factors and prime factorization of 3 and 10. The biggest common factor number is the GCF number. So the greatest common factor 3 and 10 is 1.
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The Least Common Multiple (LCM) of some numbers is the smallest number that the numbers are factors of. Like the LCM of 3 and 4 is 12, because 12 is the smallest number that 3 and 4 are both factors for. Type some numbers into the box to the right, and this page will find the LCM of those numbers.
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['The prime factorization of 3 is: 3.', 'The prime factorization of 27 is: 3 x 3 x 3.', 'The prime factors and multiplicities 3 and 27 have in common are: 3.', '3 is the gcf of 3 and 27.', 'gcf(3,27) = 3.']
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While 3 and 6 share a factor, and 6 and 8 share a factor, there is no prime factor that all three of them share. Since 1 divides into everything, then the greatest common factor in this case is just 1. When 1 is the GCF, the numbers are said to be "relatively" prime; that is, they are prime, relative to each other.
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Factors of 111: 1, 3, 37, 111. Prime Factorization: 111 = 3 x 37.
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So, 1 can't be a prime number because it has only one factor (1 is itself), 0 can't be prime since it has no factors at all, 2 has two factors (1 and 2) so it is prime, and is in fact the smallest prime.
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Factors are either composite numbers or prime numbers (except that 0 and 1 are neither prime nor composite). The number 12 is a multiple of 3, because it can be divided evenly by 3. 12 is a multiple of both 3 and 4. Click each number below to see factors and multiples.
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The prime factorization of 18 is 2 x 3 x 3 = 18. The prime factorization of 27 is 3 x 3 x 3 = 27. The occurrences of common prime factors of 18 and 27 are 3 and 3. So the greatest common factor of 18 and 27 is 3 x 3 = 9.
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The number 30 can be written in prime factorization as 2 x 3 x 5. All of the factors are prime numbers. Using exponential form, 30 = 213151, indicating that there is one 2, one 3 and one 5 multilplied together to get the result of 30.
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11 is one of the factors! The orange divisor(s) above are the prime factors of the number 3,234. If we put all of it together we have the factors 2 x 3 x 7 x 7 x 11 = 3,234.