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