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