Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {17, 21, 29, 15, 25, 9} → ______
- Prime numbers in {9, 19, 25, 29, 7, 17} → ______
- Prime numbers in {9, 5, 12, 3, 8, 25} → ______
- Prime numbers in {19, 11, 7, 25, 21, 5} → ______
- Prime numbers in {17, 12, 3, 9, 27, 2} → ______
- Prime numbers in {21, 12, 15, 2, 11, 5} → ______
- Prime numbers in {21, 11, 13, 23, 27, 2} → ______
- Prime numbers in {9, 15, 17, 11, 7, 5} → ______
- Prime numbers in {11, 5, 27, 12, 23, 29} → ______
- Prime numbers in {7, 9, 21, 8, 25, 19} → ______
- Prime numbers in {19, 17, 8, 12, 23, 5} → ______
- Prime numbers in {7, 23, 21, 5, 9, 11} → ______
- Prime numbers in {7, 17, 15, 13, 27, 23} → ______
- Prime numbers in {15, 13, 2, 7, 17, 5} → ______
- Prime numbers in {11, 29, 7, 12, 23, 3} → ______
- Prime numbers in {7, 21, 5, 15, 8, 9} → ______
- Prime numbers in {15, 12, 21, 3, 8, 17} → ______
- Prime numbers in {2, 29, 13, 5, 11, 23} → ______
- Prime numbers in {15, 5, 13, 29, 2, 27} → ______
- Prime numbers in {12, 17, 11, 13, 19, 21} → ______