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