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