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Is a composite number times a composite number always composite?
Yes. To be composite, the first number has at least 2 prime factors, the second number also has at least prime factors; the product of the two will have at least 4 prime factors, so it must be a composite number.
Which number has both the factors 4 and 6?
The number that has both the factors 4 and 6 is the least common multiple (LCM) of 4 and 6. To find the LCM, we need to identify the prime factors of each number. The prime factors of 4 are 2^2, and the prime factors of 6 are 2 * 3. To find the LCM, we take the highest power of each prime factor that appears in either number, which gives us 2^2 * 3 = 12. Therefore, the number that has both the factors 4 and 6 is 12.
What is the smallest number that has 4 different prime factors?
The smallest prime factors are 2,3,5,7 thus the smallest number would be the product of these will be 210
Which of these is a prime number 4 10 3?
Three is the prime number. Both 10 and 4 have factors other than themselves.
Prime numbers 3 10 or 4?
a prime number has no factors other than one and itself 4:1,2,4 10:1,2,5,10 3:1,3 3 is the prime number!!!! it's only factors are one and itself!!!!
Does any 3 digit number repeated to make a 6 digit number have to have at least 4 prime factors ex 359359 If yes then is there any pattern on how to figure that out?
abcabc=abc x 1001 1001 = 7 x 11 x 13 So such number as at least 4 prime factors: if abc is prime, then 4 factors only if abc is not prime then at least 4 factors
Is a composite number times a composite number always composite?
Yes. To be composite, the first number has at least 2 prime factors, the second number also has at least prime factors; the product of the two will have at least 4 prime factors, so it must be a composite number.
Must a composite number have at least two different prime factors?
No, 4 has one prime factor.
What is the least number that has 4 different prime factors?
Logically, the smallest number with 4 different prime factors would have to be the product of the smallest four prime numbers. So the smallest natural number with four different prime factors is 210 (2*3*5*7).
Which number has both the factors 4 and 6?
The number that has both the factors 4 and 6 is the least common multiple (LCM) of 4 and 6. To find the LCM, we need to identify the prime factors of each number. The prime factors of 4 are 2^2, and the prime factors of 6 are 2 * 3. To find the LCM, we take the highest power of each prime factor that appears in either number, which gives us 2^2 * 3 = 12. Therefore, the number that has both the factors 4 and 6 is 12.
How many factors does a negative prime number have?
a negative prime number has 4 factors
Is 295 a prime number?
295 is not a prime number because it has a factor of 5, while prime numbers only have factors of itself and 1. 295 can be divded by 5, giving it at least 4 factors, and thus disqualifies it from fitting the definiton of a prime number.
Can a prime number have 4 factors?
No, a prime number has exactly two factors: 1 and itself.
Is there a prime number that is a multiple of 21?
No, it is not possible. Every multiple of 21 is a composite number. 21 is a composite number and its factors are 1, 3, 7 and 21(4 factors). Any multiple of 21 must have all the factors of 21. So, every multiple of 21 has at least 4 factors. And a prime number has only two factors so, any multiple of 21 can't be prime.
What are the factors of 4 and is it prime or composite?
The factors of 4 are 1, 2, and 4. The only prime factor of 4 is 2. The factors of 20 are 1, 2, 4, 5, 10, and 20. The prime factors of 20 are 2x2x5.
Is 3 and 4 prime or composite?
Three is prime, because the number 3 only has 2 factors 1 and itself and the number 4 has 3 factors 1,2, and 4 (you can tell if a number is prime when it has 2 factors and if a number has more than 2 it is composite)
Prime factors of 4?
Prime factorization is the finding which prime number multiply to get to make the original number. Factors of 4: 1, 2, 4 Prime Factorization: 2 2 x 2 = 4
