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