The sum of all the prime factors of $196$ is prime or composite?

Prime

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Composite

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is B Composite
Factors of $196 = 2 \times 2 \times 7 \times 7$ .
It consist of $2$ and $7$ as a prime factors.
On adding them we get the number $7 + 2 = 9$ .

Composite number: A number, which have factors other than 1 and itself, is called composite number.

Here, the sum of all prime factors of the number is 9 and 9 has factors $1, 3, 9$ .
Hence, 9 is a composite number.

Suggest Corrections

Similar questions

State true (T) of false (F):

$(i)$ The sum of primes cannot be a prime.

$(i i)$ The product of primes cannot be a prime.

$(i i i)$ An even number is composite.

$(i v)$ Two consecutive numbers cannot be both primes.

$(v)$ Odd numbers cannot be composite.

$(v i)$ Odd numbers cannot be written as sum of primes.

$(v i i)$ A number and its successor are always co-primes.

210

State whether the following statements are True or False:

(a) The sum of three odd numbers is even.

(b) The sum of two odd numbers and one even number is even.

(d) If an even number is divided by 2, the quotient is always odd.

(e) All prime numbers are odd.

(f) Prime numbers do not have any factors.

(g) Sum of two prime numbers is always even.

(h) 2 is the only even prime number.

(i) All even numbers are composite numbers.

(j) The product of two even numbers is always even.

Join BYJU'S Learning Program