Question

What factors are good for 424,380?
a) 2, 3, 4, 5, 8, 9, 10

Answer 1

Factors of 424,380 from the given list include 2, 3, 4, 5, and 10. The numbers 8 and 9 are not factors of 424,380 because they do not divide the number evenly.

Step-by-step explanation:

The question asks us to identify which of the following numbers are factors of 424,380: 2, 3, 4, 5, 8, 9, and 10. A factor is a number that divides another number without leaving a remainder. To determine if each number is a factor of 424,380, we perform division.

1. 2 is a factor because 424,380 is even and divisible by 2.
2. 3 is a factor because the sum of the digits of 424,380 (4+2+4+3+8+0=21) is divisible by 3.
3. 4 is a factor because the last two digits form the number 80, which is divisible by 4.
4. 5 is a factor because the last digit is 0 or 5.
5. 8 is not a factor because 380 (the last three digits) is not divisible by 8.
6. 9 is not a factor because the sum of the digits (21) is not divisible by 9.
7. 10 is a factor because the last digit is 0.