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