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