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