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