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