Factors and Multiples
Is the number 17 prime or composite? Explain why your reasoning.
17 is PRIME because it only has 1 factor pair
(1, 17).
Write the first 3 multiples of 6.
6, 12, 18
Write the first 3 multiples of 6.
6, 12, 18
What is a factor?
The number that is being multiplied to find a product.
List all the factor pairs of 24.
(1, 24) (2,12) (3, 8) (4, 6)
List the factors of 100
1, 2, 4, 5, 10, 20, 25, 50, 100
List the factors of 10
1, 10, 2, 5,
11,000 - 1,658
11,000 - 1,658 = 9,342
Is 24 prime or composite
composite
Is 286 a multiple of 8?
No
Is 87 a multiple of 8?
No
1,234,039 + 293,683
1,234,039 + 293,683 = 1,527,722
Carlos says 43 is a composite number because the factor pairs are (1, 43) (4, 11) and (6, 7). Do you agree or disagree, why?
DISAGREE: 43 is a PRIME number because it's only factor pair are (1, 43).
What is the difference between factors and multiples?
Factors are the numbers that we multiply together to get a product.
Multiples are similar to count-bys.
What is the difference between factors and multiples?
Factors are the numbers that we multiply together to get a product.
Multiples are similar to count-bys.
1,000 X 10
10,000
Eddie says these are all the factor pair of 56. Is he correct? Explain your reasoning.
(1, 56) (2, 28) (3, 17) (4, 14) (7, 8)
He is not correct because (3, 17) is not a factor pair of 56.
List at least 4 factors of 126.
Is 126 prime or composite?
1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126
Composite
What are all the factor pairs of 63?
(1, 63) (3, 21) (7, 9)
Round 2678 to the nearest thousands place.
2700