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Q: How do you know if a number divides by 3?
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What number divides into 105 and 624?

1 and 3


What number divides into 51 evenly?

3 and 17.


What prime number divides into 54?

2 and 3


What is a whole number that divides into another whole number with a remainder of zero?

2 divides 4 into 2 with no remainder, 3 divides 6, 12 divides 36, 4 divides 12, there are way to many to name them allIs called a factor.


How do you know if the number is a factor?

If it divides evenly into the original number with no remainder, it's a factor.


Which number is prime 445 303 269 or 524?

269. 5 divides 445 3 divides 303 2 divides 524


How do you know 3 is a factor of 27?

Because 3 divides evenly into 27 with no remainder.


How do you know that 19 is a prime number?

you know that nineteen is a prime number because it only divides by one and itself. hopefully that helped


How is 57 a composite number?

Because 57 divides by 3 and 19


What one of these is the prime number 4 10 3?

3 - it only divides with itself and one to form a whole number.


What number divides into 423?

1, 3, 9, 47, 141, 423


Which number divides 927?

1, 3, 9, 103, 309, 927