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