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