Factors
Name two factors for the number 24, not including 1.
2, 3, 4, 6, 8
What is the first prime number?
2
What is the prime factorization for 16? Write your answer in expanded form.
2x2x2x2
Write this exponent in standard form. 22
4
Is 38 divisible by 2 and how do you know?
Yes, because it's an even number.
Name two factors for the number 36, not including 1.
2, 3, 4, 6, 9, 12
What is the second prime number?
3
What is the prime factorization for 36? Write your answer in expanded form.
3x2x3x2
Write this exponent in standard form. 32
9
Is 27 divisible by 3 and how do you know?
Yes, because it's digits add together to make 9 and that is a multiple of 3 so it's divisible by 3.
Name three factors for the number 72, not including 1.
2, 3, 6, 9, 12, 24, 36
What is the third prime number?
5
What is the prime factorization for 56? Write your answer in exponential form.
7x23
Write this exponent in standard form. 43
64
Is 472 divisible by 3 and how do you know?
No, because the digits add up to 13 and that's not a multiple of 3.
Name three factors for the number 100, not including 1.
2, 4, 5, 10, 20, 25, 50
What is the 5th prime number?
11
What is the prime factorization for 240? Write your answer in exponential form.
24x3x5
Write this exponent in standard form. 53
125
Is 384 divisible by 4 and how do you know?
Yes, because the last 2 digits are divisible by 4.
Name all the factors for the number 48.
1, 2, 3, 4, 6, 8, 12, 16, 24, 48
What is the 8th prime number?
19
What is the prime factorization for 800? Write your answer in exponential form.
52x25
Write this exponent in standard form. 44
256
Is 5226 divisible by 6 and how do you know?
Yes, because it's a neven number so it's divisible by 2, and the digits add up to 15 which is divisible by 3, and since it's divisible by both 2 and 3, it's divisible by 6.