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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!!!!
