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