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MATH / Delilah writes down the positive factors of 12 on a piece of paper, which she gives to Ezekiel. Next to each factor, Ezekiel writes all of the positive integers that are less than …

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problem

Delilah writes down the positive factors of 1212 on a piece of paper, which she gives to Ezekiel. Next to each factor, Ezekiel writes all of the positive integers that are less than or equal to that number and that share no divisors with the factor other than 1.1. (So, for example, Ezekiel will write $``1"$ next to each of the factors Delilah writes.) How many numbers total does Ezekiel write?
Plain-text mathematical notation (without MathML)
Delilah writes down the positive factors of 12 on a piece of paper, which she gives to Ezekiel. Next to each factor, Ezekiel writes all of the positive integers that are less than or equal to that number and that share no divisors with the factor other than 1. (So, for example, Ezekiel will write $``1"$ next to each of the factors Delilah writes.) How many numbers total does Ezekiel write?
Original LaTeX notation
Delilah writes down the positive factors of $12$ on a piece of paper, which she gives to Ezekiel. Next to each factor, Ezekiel writes all of the positive integers that are less than or equal to that number and that share no divisors with the factor other than $1.$ (So, for example, Ezekiel will write $``1"$ next to each of the factors Delilah writes.) How many numbers total does Ezekiel write?

level

Level 5

type

Prealgebra

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Source and history

task_id
cd7941fa-4f2d-5c89-90bf-3fe94f085a8e
task_key
prealgebra--test--cd7941fa-4f2d-5c89-90bf-3fe94f085a8e
task_revision_id
1
config / split
prealgebra / test

Official source

initial import