A Prime number has only two factors which are itself and one such as 2 and 19
A composite number has more than two factors
Composite numbers have prime factors as for example 38 as a product of its prime factors is 2*19 = 38
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Well, it means that it only has two numbers in its factor. Like four. First a factor is what can you times to get that number. So four would be, 2 x 2, 4 x 1. Only two factors. Itself times one and a different factor besides that. There you go! Have fun!
EX: Factors| Answers
2 x 2, 4 x1 | |Four|
All nonzero whole numbers have factors. Some are composite, some are prime. Prime factors can only be divided by themselves and 1.
This is the way to do it.. Factorize 4,28 using prime numbers only (Prime factorization) till you get 1,1. The prime numbers used are 2,2 & 7 Therefore HCF(4,28)= 2*2*7 = 28.
Factorize others as you would have them factorize you.
Prime factor means the factors of the number which divides the number. Example :- 15= 3× 5 . Here the 3 and 5 are the prime factors of 15. Prime factors of 74 - 2×37.
To find the highest prime factor of 420, we first need to factorize 420 into its prime factors. 420 can be expressed as 2^2 * 3 * 5 * 7. The highest prime factor is 7. Prime factors are numbers that can only be divided by 1 and themselves without leaving a remainder, and the highest prime factor is the largest prime number that can divide the original number.
It is 3 that is a common prime factor to both numbers