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