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