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