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