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 {2, 29, 9, 21, 11, 19} → ______
- Prime numbers in {13, 8, 3, 7, 17, 11} → ______
- Prime numbers in {27, 12, 15, 2, 5, 21} → ______
- Prime numbers in {13, 29, 3, 12, 8, 17} → ______
- Prime numbers in {8, 13, 7, 9, 11, 15} → ______
- Prime numbers in {23, 9, 5, 2, 7, 19} → ______
- Prime numbers in {15, 21, 11, 7, 5, 9} → ______
- Prime numbers in {7, 11, 3, 12, 25, 23} → ______
- Prime numbers in {15, 2, 23, 3, 7, 13} → ______
- Prime numbers in {27, 29, 12, 17, 21, 13} → ______
- Prime numbers in {3, 17, 12, 29, 9, 27} → ______
- Prime numbers in {21, 8, 13, 29, 2, 19} → ______
- Prime numbers in {27, 17, 5, 23, 15, 8} → ______
- Prime numbers in {17, 12, 8, 15, 19, 7} → ______
- Prime numbers in {27, 17, 15, 19, 21, 7} → ______
- Prime numbers in {25, 5, 13, 11, 23, 19} → ______
- Prime numbers in {17, 7, 23, 3, 5, 13} → ______
- Prime numbers in {8, 19, 15, 7, 13, 3} → ______
- Prime numbers in {8, 21, 12, 19, 5, 23} → ______
- Prime numbers in {13, 29, 7, 9, 25, 5} → ______