IDNStudy.com, ang platform na nag-uugnay ng mga tanong sa mga solusyon. Anuman ang kahirapan ng iyong mga tanong, ang aming komunidad ay may mga sagot na kailangan mo.

Which of the numbers 1, 6, 9, 7, 8 is a factor of 21?

Sagot :

The factors is 21 is 1, 3, 7, 21.

Therefore in the choices above, the factors of 21 is 1 and 7.

Hope this helps =)
In getting the factors, you must get the divisibility number of the given number.
Example:
   21 is divisible by: 1 (multiplied by itself, and 21 is divisible by 7) and 7 (multiplied by 3 to get 21 which is divisible by 7).